Articles Answers to exercises

Answer to the question about mistake. This is it:

Code (PageIndex{1}) (R):

Here should be

Code (PageIndex{2}) (R):

By the way, non-paired brackets (and also non-paired quotes) are among the most frequent mistakes in R.

Even more, function seq() makes vector so function c() is unnecessary and the better variant of the same command is

Code (PageIndex{3}) (R):

Now the truth is that there are two mistakes in the text. We are sorry about it, but we believe it will help you to understand R code better. Second is not syntactic mistake, it is more like inconsistency between the text and example. Please find it yourself. Answers to exercises

Welcome to Daily Grammar! Daily Grammar is a fun, convenient way to learn grammar. By simplifying complex grammar subjects, Daily Grammar is a great teaching tool for both public and home-schooled children, ESL students, and anyone needing to refresh English grammar skills. By practicing language rules, any person able to read will be able to master English grammar. To view Lesson 1, click here.

We provide a complimentary email service through the Daily Grammar Blog. We will post lessons to the blog Monday through Friday, with a quiz on Saturday. Any posts made to the blog will automatically be emailed to you. We also have a Twitter account that will have daily tweets with links to our lessons.

Daily Grammar consists of 440 lessons and 88 quizzes. Lessons 1-90 cover the eight parts of speech, which are verbs, nouns, pronouns, adjectives, adverbs, prepositions, conjunctions, and interjections. Lessons 91-300 cover the parts of the sentence, such as appositives, predicate nominatives, direct objects, prepositional phrases, clauses, and verbals. Lessons 301-440 cover the mechanics of grammar, which is also known as capitalization and punctuation. Links to all of these grammar lessons and quizzes can be found on our archive page. We also have a helpful glossary, making it easy to find the definitions to a number of grammar terms.

We are proud to offer the Daily Grammar eBook and Workbook. The eBook and the Workbook contain all of the Daily Grammar lessons and quizzes.

Have a question? Join our discussion group on Facebook. To view our privacy policy, please click here.

Daily Grammar is sponsored by Yeah Write for Windows, an easy-to-use word processor. For more information about this inexpensive and remarkable product, stop by our web site at

Daily Grammar is the brainchild of Pete Peterson, former Executive Vice President of Word Perfect. Pete wanted to find a way to easily teach grammar to those in need of lessons. In order to fulfill his wish, Pete sought out the help of Mr. Bill Johanson, a thirty-year English-teaching veteran.

Mr. Bill Johanson is the author of all the Daily Grammar lessons. He has taught high school and junior high school English classes for thirty years and has done a great job of preparing his students for college.

Teachers who teach in our public school system, have our permission to duplicate and use the Daily Grammar lessons in their classrooms so long as the copyright information is preserved.

French Language Exercises

This is a facility for interactive drilling in French Grammar.

The following is a list of available topics. To get to any of the topics (pages), click on the corresponding "link".

    : -Direct and Indirect Object Pronouns : -The Pronouns ''y'' and ''en'' : -Imparfait vs. Passé Composé I : -Imparfait vs. Passé Composé II : -Relative Pronouns : -Interrogatives : -Negation : -The Subjunctive : -The Imperative : -The Conditional

Welcome to our website of French self-correcting exercises.

You can use it to learn aspects of French grammar or to consolidate ones that you have already learned but for which you need practice (and correction!) For each chapter, you may wish to first acquaint yourself with the grammar points. However, if you are already quite sure of the grammar, you may prefer to go directly to the exercises. At any moment during the exercises, you can look back to the grammar for reference.

The blanks are pull-down menus from which you will choose the entry that will create a grammatically correct sentence. In each case you will be told whether your choice is right or not and you will be referred back to the relevant grammar point. You can therefore always try the exercise again until you get the right answer.

For each chapter, after you have mastered section a., you can then move on and test yourself with section b. and hopefully you will see much improvement!

Every exercise has a vocab? link that you can refer to in order to either learn or verify the meaning of the words used in the exercises. Make good use of these as it wil help enrich your vocabulary at the same time as you master the grammar points.

Copyright 1998 Samuel Schiminovich and Anne Boyman.

The text and the HTML formatting of these drills is covered by this copyright. One copy of this drill can be downloaded and/or printed for personal use. Unauthorized commercial use of these drills is forbidden, as well as reloading on servers or republishing under unauthorized URL addresses.

Do You Know the Benefits of Walking?

Friedenreich, C. JAMA Oncology. September 2015.

Harvard Health Letter: "Counting Every Step You Take."

Harvard Men's Health Watch: "Walking: Your Steps to Health."

Harvard T.H. Chan School of Public Health: "Measuring Physical Activity."

National Institute of Diabetes and Digestive and Kidney Diseases: "Diabetes and Physical Activity."

Reynolds, AN. Diabetologia. December 2016.

Stanford University News: "Stanford Researchers Find Mental Health Prescription: Nature."

Williams, P. Arteriosclerosis, Thrombosis and Vascular Biology . April 2013.

This tool does not provide medical advice.
See additional information.

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

Introduction to Computer Science using Java

This is a course in Java programming for beginners. It covers the fundamentals of programming, roughly the same material that is covered in a beginning programming course in a university or in a high school AP Computer Science course.

For maximum benefit, go though these ../Java5/Notes interactively, thinking about and answering the question at the bottom of each page. There are about 20 pages per chapter. If you spend about 3 minutes per page each chapter will take about 60 minutes, or longer if you copy and run some of the programs. If you are a beginning programmer, plan on spending more than a month with this.

These Notes assume that you have a recent version of Java, available from Oracle, Inc. at and a text editor such as Notepad. Compiling and running programs is done from the command line interface. You may use more sophisticated environments, as well.

A German translation of these ../Java5/Notes, done by Heinrich Gailer, is available at

A French translation of selected chapters is available at

Here is very nice site (unrelated to this site) that allows you to practice Java programming on line:

Another nice site (unrelated to this site) that allows you to run Java programs directly in your browser is:

An alternate site, with faster response time, that contains this material is: Mirror Site

Best viewed at 1024 x 768 or higher. The audio works best with Windows Media Player.

Types of Exercises

There are different types of exercises that can be used to evaluate program plans, procedures and capabilities.

  • Walkthroughs, workshops or orientation seminars
  • Tabletop exercises
  • Functional exercises
  • Full-scale exercises

Walkthroughs, workshops and orientation seminars are basic training for team members. They are designed to familiarize team members with emergency response, business continuity and crisis communications plans and their roles and responsibilities as defined in the plans.

Tabletop exercises are discussion-based sessions where team members meet in an informal, classroom setting to discuss their roles during an emergency and their responses to a particular emergency situation. A facilitator guides participants through a discussion of one or more scenarios. The duration of a tabletop exercise depends on the audience, the topic being exercised and the exercise objectives. Many tabletop exercises can be conducted in a few hours, so they are cost-effective tools to validate plans and capabilities.

Functional exercises allow personnel to validate plans and readiness by performing their duties in a simulated operational environment. Activities for a functional exercise are scenario-driven, such as the failure of a critical business function or a specific hazard scenario. Functional exercises are designed to exercise specific team members, procedures and resources (e.g. communications, warning, notifications and equipment set-up).

A full-scale exercise is as close to the real thing as possible. It is a lengthy exercise which takes place on location using, as much as possible, the equipment and personnel that would be called upon in a real event. Full-scale exercises are conducted by public agencies. They often include participation from local businesses. Answers to exercises

Use Git or checkout with SVN using the web URL.

Work fast with our official CLI. Learn more.

Launching GitHub Desktop

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Exercising to relax

How does exercise reduce stress, and can exercise really be relaxing?

Rest and relaxation. It's such a common expression that it has become a cliche. And although rest really can be relaxing, the pat phrase causes many men to overlook the fact that exercise can also be relaxing. It's true for most forms of physical activity as well as for specific relaxation exercises.

Exercise is a form of physical stress. Can physical stress relieve mental stress? Alexander Pope thought so: "Strength of mind is exercise, not rest." Plato agreed: "Exercise would cure a guilty conscience." You'll think so, too — if you learn to apply the physical stress of exercise in a controlled, graded fashion.

How exercise reduces stress

Aerobic exercise is key for your head, just as it is for your heart. You may not agree at first indeed, the first steps are the hardest, and in the beginning, exercise will be more work than fun. But as you get into shape, you'll begin to tolerate exercise, then enjoy it, and finally depend on it.

Regular aerobic exercise will bring remarkable changes to your body, your metabolism, your heart, and your spirits. It has a unique capacity to exhilarate and relax, to provide stimulation and calm, to counter depression and dissipate stress. It's a common experience among endurance athletes and has been verified in clinical trials that have successfully used exercise to treat anxiety disorders and clinical depression. If athletes and patients can derive psychological benefits from exercise, so can you.

How can exercise contend with problems as difficult as anxiety and depression? There are several explanations, some chemical, others behavioral.

The mental benefits of aerobic exercise have a neurochemical basis. Exercise reduces levels of the body's stress hormones, such as adrenaline and cortisol. It also stimulates the production of endorphins, chemicals in the brain that are the body's natural painkillers and mood elevators. Endorphins are responsible for the "runner's high" and for the feelings of relaxation and optimism that accompany many hard workouts — or, at least, the hot shower after your exercise is over.

Behavioral factors also contribute to the emotional benefits of exercise. As your waistline shrinks and your strength and stamina increase, your self-image will improve. You'll earn a sense of mastery and control, of pride and self-confidence. Your renewed vigor and energy will help you succeed in many tasks, and the discipline of regular exercise will help you achieve other important lifestyle goals.

Exercise and sports also provide opportunities to get away from it all and to either enjoy some solitude or to make friends and build networks. "All men," wrote St. Thomas Aquinas, "need leisure." Exercise is play and recreation when your body is busy, your mind will be distracted from the worries of daily life and will be free to think creatively.

Almost any type of exercise will help. Many people find that using large muscle groups in a rhythmic, repetitive fashion works best call it "muscular meditation," and you'll begin to understand how it works. Walking and jogging are prime examples. Even a simple 20-minute stroll can clear the mind and reduce stress. But some people prefer vigorous workouts that burn stress along with calories. That's one reason ellipticals are so popular. And the same stretching exercises that help relax your muscles after a hard workout will help relax your mind as well.

Autoregulation exercise and stress relief

Regular physical activity keeps you healthy as it reduces stress. But another special sort of exercise known as autoregulation exercises can also reduce stress.

Stress comes in many forms and produces many symptoms. Mental symptoms range from worry and irritability to restlessness and insomnia, anger and hostility, or sensations of dread, foreboding, and even panic.

Mental stress can also produce physical symptoms. Muscles are tense, resulting in fidgetiness, taut facial expressions, headaches, or neck and back pain. The mouth is dry, producing unquenchable thirst or perhaps the sensation of a lump in the throat that makes swallowing difficult. Clenched jaw muscles can produce jaw pain and headaches. The skin can be pale, sweaty, and clammy. Intestinal symptoms range from "butterflies" to heartburn, cramps, or diarrhea. Frequent urination may be a bother. A pounding pulse is common, as is chest tightness. Rapid breathing is also typical, and may be accompanied by sighing or repetitive coughing. In extreme cases, hyperventilation can lead to tingling of the face and fingers, muscle cramps, lightheadedness, and even fainting.

The physical symptoms of stress are themselves distressing. In fact, the body's response to stress can feel so bad that it produces additional mental stress. During the stress response, then, mind and body can amplify each other's distress signals, creating a vicious cycle of tension and anxiety.

Because the root cause of stress is emotional, it is best controlled by gaining insight, reducing life problems that trigger stress, and modifying behavior. But stress control can — and should — also involve the body. Aerobic exercise is one approach physical fitness will help promote mental fitness. But there is another approach: you can learn to use your mind to relax your body. The relaxed body will, in turn, send signals of calm and control that help reduce mental tension.

Autoregulation exercises are a group of techniques designed to replace the spiral of stress with a cycle of repose. Several approaches are available.

Breathing exercise reduces stress

Even without formal meditation and controlled breathing, the gentle muscle stretching of yoga can reduce stress. "Full service" yoga is even better. But if that's not your thing, simple breathing exercises can help by themselves. Rapid, shallow, erratic breathing is a common response to stress. Slow, deep, regular breathing is a sign of relaxation. You can learn to control your respirations so they mimic relaxation the effect, in fact, will be relaxing.

Here's how deep breathing exercises work:

1. Breathe in slowly and deeply, pushing your stomach out so that your diaphragm is put to maximal use.

2. Hold your breath briefly.

3. Exhale slowly, thinking "relax."

4. Repeat the entire sequence five to 10 times, concentrating on breathing deeply and slowly.

Deep breathing is easy to learn. You can do it at any time, in any place. You can use deep breathing to help dissipate stress as it occurs. Practice the routine in advance then use it when you need it most. If you find it helpful, consider repeating the exercise four to six times a day — even on good days.

Mental exercises reduce stress, too

Bodily exercise can help relax the mind, and mental maneuvers can, too. Most often, that means talking out problems with a supportive listener, who can be a friend, a chaplain, or a trained counselor or psychotherapist. But you can also do it yourself, harnessing the power of your own mind to reduce stress. Simply writing down your thoughts and feelings can be very beneficial, and formal meditation exercises have helped many people reduce stress and gain perspective.

Meditation is a prime example of the unity of mind and body. Mental stress can speed the heart and raise the blood pressure meditation can actually reverse the physiological signs of stress. Scientific studies of Indian yoga masters demonstrate that meditation can, in fact, slow the heart rate, lower the blood pressure, reduce the breathing rate, diminish the body's oxygen consumption, reduce blood adrenaline levels, and change skin temperature.

Although meditation is an ancient Eastern religious technique, you don't have to become a pilgrim or convert to put it to work for you. In fact, your best guide to meditation is not an Indian spiritualist but a Harvard physician, Dr. Herbert Benson. Here's an outline of what Dr. Benson has termed as the relaxation response:

1. Select a time and place that will be free of distractions and interruption. A semi-darkened room is often best it should be quiet and private. If possible, wait two hours after you eat before you meditate and empty your bladder before you get started.

2. Get comfortable. Find a body position that will allow your body to relax so that physical signals of discomfort will not intrude on your mental processes. Breathe slowly and deeply, allowing your mind to become aware of your rhythmic respirations.

3. Achieve a relaxed, passive mental attitude. Close your eyes to block out visual stimuli. Try to let your mind go blank, blocking out thoughts and worries.

4. Concentrate on a mental device. Most people use a mantra, a simple word or syllable that is repeated over and over again in a rhythmic, chant-like fashion. You can repeat your mantra silently or say it aloud. It's the act of repetition that counts, not the content of the phrase even the word "one" will do nicely. Some meditators prefer to stare at a fixed object instead of repeating a mantra. In either case, the goal is to focus your attention on a neutral object, thus blocking out ordinary thoughts and sensations.

Meditation is the most demanding of the autoregulation techniques, but it's also the most beneficial and rewarding. Once you've mastered meditation, you'll probably look forward to devoting 20 minutes to it once or twice a day.

Progressive muscular relaxation

Stressed muscles are tight, tense muscles. By learning to relax your muscles, you will be able to use your body to dissipate stress.

Muscle relaxation takes a bit longer to learn than deep breathing. It also takes more time. But even if this form of relaxation takes a little effort, it can be a useful part of your stress control program. Here's how it works:

Progressive muscle relaxation is best performed in a quiet, secluded place. You should be comfortably seated or stretched out on a firm mattress or mat. Until you learn the routine, have a friend recite the directions or listen to them on a tape, which you can prerecord yourself.

Progressive muscle relaxation focuses sequentially on the major muscle groups. Tighten each muscle and maintain the contraction 20 seconds before slowly releasing it. As the muscle relaxes, concentrate on the release of tension and the sensation of relaxation. Start with your facial muscles, then work down the body.

Wrinkle your forehead and arch your eyebrows. Hold then relax.

Close your eyes tightly. Hold then relax.

Wrinkle your nose and flare your nostrils. Hold then relax.

Push your tongue firmly against the roof of your mouth. Hold then relax.

Clench your jaws tightly. Hold then relax.

Tense your neck by pulling your chin down to your chest. Hold then relax.

Arch your back. Hold then relax.

Breathe in as deeply as you can. Hold then relax.

Tense your stomach muscles. Hold then relax.

Buttocks and thighs

Tense your buttocks and thigh muscles. Hold then relax.

Tense your biceps. Hold then relax.

Forearms and hands

Tense your arms and clench your fists. Hold then relax.

Press your feet down. Hold then relax.

Ankles and feet

Pull your toes up. Hold then relax.

The entire routine should take 12 to 15 minutes. Practice it twice daily, expecting to master the technique and experience some relief of stress in about two weeks.

Exercise, health, and stress

Few things are more stressful than illness. Many forms of exercise reduce stress directly, and by preventing bodily illness, exercise has extra benefits for the mind. Regular physical activity will lower your blood pressure, improve your cholesterol, and reduce your blood sugar. Exercise cuts the risk of heart attack, stroke, diabetes, colon and breast cancers, osteoporosis and fractures, obesity, depression, and even dementia (memory loss). Exercise slows the aging process, increases energy, and prolongs life.

Except during illness, you should exercise nearly every day. That doesn't necessarily mean hitting the gym or training for a marathon. But it does mean 30 to 40 minutes of moderate exercise such as walking or 15 to 20 minutes of vigorous exercise. More is even better, but the first steps provide the most benefit. Aim to walk at least two miles a day, or do the equivalent amount of another activity. You can do it all at once or in 10- to 15-minute chunks if that fits your schedule better. Add a little strength training and stretching two to three times a week, and you'll have an excellent, balanced program for health and stress reduction. And if you need more help with stress, consider autoregulation exercises involving deep breathing or muscular relaxation. Remember, too, that mental exercises are the time-honored ways to cut stress (see box).

Popular beliefs notwithstanding, exercise is relaxing.

Image: © Rawpixel | GettyImages Answers to exercises

topic: THE PASSIVE VOICE 2 (Mixed tenses) | level: Intermediate

The first sentence is in the ACTIVE VOICE. Choose the most correct way of saying the same thing in the PASSIVE VOICE:

1. They were interviewing her for the job.
She ________________ for the job.
was being interviewed
was interviewed
has been interviewed

2. Tom is writing the letter.
The letter ________________ by Tom.
was written
is being written
has been written

3. Everyone understands English.
English ________________ by everyone.
is understood
has been understood
was understood

4. The employees brought up this issue during the meeting.
This issue ________________ by the employees during the meeting.
has been brought up
is brought up
was brought up

5. The professor told him not to talk in class.
He ________________ by the professor not to talk in class.
has been told
was told
was being told

6. They say that women are smarter than men.
Women ________________ to be smarter than men.
were being said
were said
are said

7. The fire has destroyed the house.
The house ________________ by the fire.
has been destroyed
was being destroyed
is destroyed

8. She would have told you.
You ________________ by her.
would have been told
would be told
were being told

9. She would reject the offer.
The offer ________________ by her.
will have been rejected
would be rejected
will be rejected

10. This surprises me.
I ________________ by this.
would have been surprised
will be surprised
am surprised

7. The test was difficult (for me) to complete.

8. She suggested that we go out to dinner.

9. Sara collects butterflies.

  • Navigation
  • OWL Exercises
  • Grammar Exercises
    • Grammar Exercises Introduction
    • Adjective or Adverb?
      • Adjective or Adverb? Index
      • Adjective or Adverb Exercise 1
      • Adjective or Adverb Exercise 2
      • Adjective or Adverb Exercise 1 Answers
      • Adjective or Adverb Exercise 2 Answers
      • Appositives Index
      • Appositive Exercise
      • Appositive Exercise Answers
      • Articles Index
      • A or An? Exercise
      • A or An? Exercise Answers
      • Articles Exercise 1
      • Articles Exercise 2
      • Articles Exercise 2 Answers
      • Articles Exercise 1 Answers
      • Count and Noncount Nouns Index
      • Count and Noncount Nouns Exercise 1
      • Count and Noncount Nouns Exercise 1 Answers
      • Count and Noncount Nouns Exercise 2
      • Count and Noncount Nouns Exercise 2 Answers
      • Count and Noncount Nouns Exercise 3
      • Count and Noncount Nouns Exercise 3 Answers
      • Count and Noncount Nouns Exercise 4
      • Count and Noncount Nouns Exercise 4 Answers
      • Count and Noncount Nouns Exercise 5
      • Count and Noncount Nouns Exercise 5 Answers
      • Quantity Terms Exercise
      • Quantity Terms Exercise Answers
      • Prepositions Index
      • Prepositions of Direction Exercise
      • Prepositions of Direction Exercise Answers
      • Tense Consistency Index
      • Tense Consistency Exercise 1
      • Tense Consistency Exercise 1 Answers
      • Tense Consistency Exercise 2
      • Tense Consistency Exercise 2 Answers
      • Tense Consistency Exercise 3
      • Tense Consistency Exercise 3 Answers
      • Tense Consistency Exercise 4
      • Tense Consistency Exercise 4 Answers
      • Punctuation Exercises Introduction
      • Basic Punctuation
        • Basic Punctuation Index
        • Punctuation Exercise
        • Punctuation Exercise Answers
        • Apostrophes Index
        • Apostrophes Exercise
        • Apostrophes Exercise Answers
        • Quotation Marks Index
        • Quotation Marks Exercise
        • Quotation Marks Exercise Answers
        • Commas Index
        • Comma Exercise 1
        • Comma Exercise 1 Answers
        • Comma Exercise 2
        • Comma Exercise 2 Answers
        • Comma Exercise 3
        • Comma Exercise 3 Answers
        • Comma Exercise 4
        • Comma Exercise 4 Answers
        • Comma Exercise 5
        • Comma Exercise 5 Answers
        • After Introductions Exercise 1
        • After Introductions Exercise 1 Answers
        • After Introductions Exercise 2
        • After Introductions Exercise 2 Answers
        • After Introductions Exercise 3
        • After Introductions Exercise 3 Answers
        • Commas vs. Semicolons - Compound Sentences
        • Commas vs. Semicolons - Compound Sentences Answers
        • Nonessential Elements Exercise 1
        • Nonessential Elements Exercise 1 Answers
        • Nonessential Elements Exercise 2
        • Nonessential Elements Exercise 2 Answers
        • Nonessential Elements Exercise 3
        • Nonessential Elements Exercise 3 Answers
        • Spelling Exercises Introduction
        • -ible vs. -able
          • -ible vs. -able Index
          • -ible and -able Spelling Exercise 1
          • -ible and -able Spelling Exercise 1 Answers
          • -ible and -able Spelling Exercise 2
          • -ible and -able Spelling Exercise 2 Answers
          • Accept/Except Index
          • Accept/Except Spelling Exercise
          • Accept/Except Spelling Exercise Answers
          • Affect/Effect Index
          • Affect/Effect Spelling Exercise
          • Affect/Effect Spelling Exercise Answers
          • i/e Rules Index
          • EI/IE Spelling Rules Exercise 1
          • EI/IE Spelling Rules Exercise 1 Answers
          • EI/IE Spelling Rules Exercise 2
          • EI/IE Spelling Rules Exercise 2 Answers
          • EI/IE Spelling Rules Exercise 3
          • EI/IE Spelling Rules Exercise 3 Answers
          • EI/IE Spelling Rules Exercise 4
          • EI/IE Spelling Rules Exercise 4 Answers
          • Sentence Structure Introduction
          • Sentence Clauses
            • Sentence Clauses Index
            • Identifying Independent and Dependent Clauses Exercise
            • Identifying Independent and Dependent Clauses Exercise Answers
            • Sentence Fragments Index
            • Sentence Fragments Exercise 1
            • Sentence Fragments Exercise 1 Answers
            • Sentence Fragments Exercise 2
            • Sentence Fragments Exercise 2 Answers
            • Sentence Fragments Exercise 3
            • Sentence Fragments Exercise 3 Answers
            • Sentence Structure Index
            • Run-ons, Comma Splices, and Fused Sentences
            • Run-ons, Comma Splices, and Fused Sentences Answers
            • Subject and Verb Agreement Index
            • Subject and Verb Agreement Exercise
            • Subject and Verb Agreement Exercise Answers
            • Sentence Style Introduction
            • Eliminating Wordiness
              • Eliminating Wordiness Index
              • Eliminating Wordiness Exercise 1
              • Eliminating Wordiness Exercise 1 Answers
              • Eliminating Wordiness Exercise 2
              • Eliminating Wordiness Exercise 2 Answers
              • Eliminating Wordiness Exercise 3
              • Eliminating Wordiness Exercise 3 Answers
              • Writing Numbers Introduction
              • Writing Numbers
                • Writing Numbers Index
                • Writing Numbers Exercise
                • Writing Numbers Exercise Answers
                • ESL Exercises Introduction
                • Paraphrase and Summary Exercises
                  • Paraphrase and Summary Exercises Index
                  • Basic-level Paraphrase and Summary Writing
                  • Intermediate Paraphrase Exercises
                  • Basic-level Paraphrase and Summary Writing Answers
                  • Intermediate Paraphrase Exercises Answers
                  • List of Works Consulted
                  • Nominalizations and Subject Position Index
                  • Nominalizations and Subject Position 1
                  • Nominalizations and Subject Position 1 Answers
                  • Nominalizations and Subject Position 2
                  • Nominalizations and Subject Position 2 Answers

                  Suggested Resources



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