GRAMMAR IN CONTEXT2:SEVENTH EDITION
ANSWER KEY
UNIT 1 ANIMALS
The Simple Present
Frequency Words
Reading 1
COMPREHENSION page 5
1. T; 2. F; 3. F
THINK ABOUT IT page 5
1. Answers will vary.
2. Pets can encourage their owners to get more exercise and to be more social/get out of the house. Pets are a comfort to lonely people.
1.1 Be Simple Present—Form
1.2 Contractions with Be
EXERCISE 1 page 6
1. are 2. are 3. ’re 4. is 5. are 6. ’m
7. ’m 8. ’re 9. ’re 10. are 11. ’re 12. ’s
EXERCISE 2 page 6
1. are 2. ’s 3. ’s 4. are 5. ’re 6. ’re 7. ’s 8. ’s 9. ’s 10. ’s 11. ’s 12. ’s 13. ’re
1.3 Be—Use
EXERCISE 3 page 7
1. ’s, D 2. ’re, L 3. ’s, D 4. are, TH 5. ’s, I 6. ’s, W 7. ’s, P 8. are, A 9. ’s, T 10. ’m, O 11. ’s, L
1.4 Negative Statements with Be
EXERCISE 4 page 8
1. a. ’s; b. isn’t/’s not 2. a. are; b. ’re not/aren’t 3. a. ’s; b. ’s not/isn’t
4. a. ’m; b. ’m not 5. a. ’s ; b. ’s not/isn’t 6. a. ’s; b. ’s not/isn’t
7. a. are; b. aren’t 8. a. is; b. ’s not/isn’t 9. a. are; b. aren’t
EXERCISE 5 page 9
1. is 2. She’s not/She isn’t 3. is/’s 4. isn’t 5. is 6. are 7. I’m not 8. are 9. The vet’s 10. are 11. They aren’t/They’re not 12. is 13. It’s 14. is 15. are 16. It’s 17. It’s 18. I’m
1.5 Yes/No Questions and Short Answers
with Be
EXERCISE 6 pages 10–11
1. A: Is a bird 2. A: Are you 3. A: Is your son; B: isn’t/’s not
4. A: Is there; B: there is 5. A: Is the dog; B: isn’t/’s not
6. A: Are you; B: I’m 7. A: Am I; B: aren’t/’re not
EXERCISE 7 page 11
1. Is 2. is 3. ’s 4. Is she 5. is 6. Is she 7. ’s not/isn’t 8. She’s
9. Is it 10. isn’t/’s not 11. Are you 12. I’m not 13. I’m 14. are
15. ’m not 16. ’s 17. are 18. ’s not/isn’t 19. ’s 20. Am I
21. ’re not/aren’t
1.6 Wh- Questions with Be
EXERCISE 8 page 13
1. Is that 2. What kind of dog is it 3. What’s 4. Why isn’t it
5. What’s 6. Are the animals 7. are 8. are there 9. Is she
10. she is 11. How old is she 12. Why isn’t it
EXERCISE 9 page 14
1. are you 2. are you 3. is/’s 4. What’s 5. How old is he
6. Are you 7. Who’s 8. isn’t she/isn’t your daughter 9. is she/’s she
ABOUT YOU page 14
Answers will vary.
Reading 2
COMPREHENSION page 16
1. T; 2. F; 3. F
THINK ABOUT IT page 16
1. Bees help people by making honey and by pollinating plants. Spiders help people by eating insects, protecting crops. Ladybugs also help people by eating insects and protecting crops. Spiders, ants, and roaches eat waste on the ground, keeping our environments clean.
2. Answers will vary.
1.7 The Simple Present Afrmative
Statements—Form
EXERCISE 10 page 17
1. live 2. has 3. lays 4. find 5. protect 6. have 7. think8. controls 9. does 10. fixes
11. goes 12. brings 13. sends
14. come 15. carries 16. makes
1.8 The Simple Present—Use
EXERCISE 11 page 18
1. see 2. catches; knows 3. takes 4. makes
5. make; catch 6. hope 7. has
1.9 The Simple Present—Negative
Statements
EXERCISE 12 pages 18–19
1. doesn’t make 2. doesn’t have 3. don’t have 4. doesn’t live
5. don’t kill 6. don’t like 7. doesn’t study 8. don’t know
9. doesn’t take 10. don’t bite
EXERCISE 13 page 19
1. don’t live 2. don’t like 3. don’t know 4. doesn’t see
5. don’t want 6. doesn’t kill 7. doesn’t make 8. doesn’t die
9. doesn’t break 10. don’t have
Reading 3
COMPREHENSION page 21
1. T; 2. F; 3. T
THINK ABOUT IT page 21
Answers will vary.
1.10 The Simple Present—Questions
EXERCISE 14 page 22
1. T 2. F 3. F
EXERCISE 15 page 22
1. Do you want 2. know 3. don’t know 4. does 5. mean 6. means
7. How do you spell 8. do 9. do 10. help 11. save 12. do 13. do
14. have 15. Do they need 16. do 17. do they use 18. use
19. does it begin 20. Does 21. want 22. don’t 23. likes
EXERCISE 16 page 23
1. like 2. do 3. Do you have 4. don’t you have 5. doesn’t allow
6. Does 7. does 8. does he allow 9. Do 10. don’t
11. don’t you want 12. doesn’t she want
ABOUT YOU pages 23–24
Answers will vary.
EXERCISE 17 pages 24–25
1. is that dog 2. Do 3. do they help 4. help 5. Do 6. do 7. do
8. are you 9. do 10. needs 11. do 12. play 13. takes 14. knows
1.11 Wh- Questions with a Preposition
EXERCISE 18 page 26
1. does…come from 2. are…interested in 3. does…write about
4. does she study animals with 5. does she travel to
6. does she worry about 7. do…want to learn more about
1.12 Questions about Meaning, Spelling,
Cost, and Time
EXERCISE 19 pages 26–27
1. Do you have 2. does kitten mean / does it mean
3. do you spell Romeo / do you spell that 4. Do you have
5. do you have 6. do you say 7. is he / is Chico 8. do parrots live
9. do they cost / do parrots cost 10. Are 11. does he eat
12. Does he talk 13. does he say 14. does it take
Reading 4
COMPREHENSION page 29
1. F; 2. F; 3. T
THINK ABOUT IT page 29
Possible answers:
1. Social animal are animals who live in groups. Ants, wolves, cows, and humans are examples of social animals.
2. Dolphins are likely popular because they are playful and always look like they are smiling.
1.13 Frequency Words with the Simple
Present
EXERCISE 20 page 29
1. are never 2. always come 3. sometimes get 4. usually think
5. is always 6. usually live
ABOUT YOU page 30
Answers will vary.
EXERCISE 21 page 30
1. B 2. B 3. A 4. A 5. B 6. B 7. B 8. B 9. A
1.14 Position of Frequency Words
EXERCISE 22 page 31
1. A guide dog always stops at an intersection.
2. Dogs often like to play.
3. Lucy Cooke is always excited about animals.
4. Dolphins sometimes hunt with fishermen./Sometimes dolphins hunt with fishermen.
5. Dolphins always come up for air.
6. People sometimes go to sea parks to see dolphins./ Sometimes people go to see parks to see dolphins.
7. Sea parks are always crowded in the summer.
8. A dolphin rarely hunts alone.
9. A dolphin is always awake.
10. A dolphin hardly ever leaves its group.
11. Dogs are always happy to see their owners.
12. Cats are rarely friendly to strangers.
1.15 Questions about Frequency
EXERCISE 23 pages 32–33
1. Yes, they sometimes do. 2. Yes, they sometimes do.
3. No, they never do. 4. Yes, they always do. 5. Yes, they usually do.
6. No, they hardly ever do. 7. Yes, it sometimes does.
8. Yes, they sometimes are. 9. Yes, they usually do.
10. Yes, they sometimes are.
1.16 Questions with How Often
EXERCISE 24 pages 33–34
1. often; once 2. ever 3. ever 4. How; every 5. How often; do
6. How often; a day 7. ever; every 8. Once; ever
EXERCISE 25 pages 34–35
1. Do you have 2. don’t 3. don’t you have
4. often do you have class/often do you go to school
5. How 6. a 7. Do you have8. much does a tropical fish cost / much do tropical fish cost / how much do they cost
9. do you have 10. do you spell 11. aren’t 12. ’s 13. ’re 14. don’t
15. aren’t / ’re not 16. don’t 17. How often do you 18. a week
19. ever 20. never 21. How often do you 22. often
REVIEW page 37
1. is 2. loves 3. do you spell 4. does a therapy dog do 5. makes
6. does a therapy dog make 7. feel 8. often visit 9. loves
10. does a dog become 11. needs 12. Does your dog like 13. have
14. The dog always 15. does the training cost 16. It costs
17. How long does it take 18. depends 19. Do 20. work 21. often
22. do you visit 23. Once a week we go 24. does TDI mean
25. It means 26. Do you ever 27. never do 28. needs
29. do you know 30. I’m
EDITING PRACTICE page 39
1. C 2. I’m surprised 3. think 4. I have 5. lives 6. she has 7. C
8. I’m not 9. she always wants 10. wants 11. she’s wrong 12. buys
13. is 14. C 15. How much does a visit to the vet cost 16. has
17. doesn’t like 18. C 19. is 20. sometimes buys 21. C 22. C
23. she’s not or she isn’t 24. C 25. C 26. C
27. What does “dog groomer” mean 28. costs 29. I think
UNIT 2 ACROSS GENERATIONS
The Present Continuous
The Future
Reading 1
COMPREHENSION page 43
1. F; 2. T; 3. F
THINK ABOUT IT page 43
1. Possible answer: Going strong means continuing to be healthy and successful. It describes Ms. Apfel because she is in her 90s and still active and engaged.
2. Answers will vary.
2.1 The Present Continuous—Form
EXERCISE 1 page 44
1. I’m looking 2. We’re learning 3. they’re traveling
4. You’re kidding 5. They’re trying 6. They’re hiking 7. It’s snowing
8. They’re taking 9. Min Soo’s learning 10. Alisa’s studying
11. they’re spending 12. They’re not staying/They aren’t staying
13. They’re using 14. age isn’t stopping
EXERCISE 2 page 44
1. are starting, aren’t retiring, doing 2. she’s tutoring
3. I’m … enjoying, I’m not making, I’m helping
4. isn’t quitting, I’m learning
2.2 The Present Continuous—Use
EXERCISE 3 page 45
1. ’s visiting; ’s taking 2. are exercising 3. is riding 4. is lifting
5. ’s not taking 6. aren’t swimming
EXERCISE 4 pages 45–46
Answers will vary.
ABOUT YOU page 46
Answers will vary.
2.3 Questions with the Present Continuous
EXERCISE 5 page 47
1. A. Are those students interviewing, B. they are
2. A. Are you planning, B. I am
3. A. Is Alisa taking, B. she’s not/she isn’t
4. A. Is social media ruining, B. it’s not/it isn’t
5. A. Is Iris Apfel still living, B. she is
6. A. Are Alisa and Min Soo staying, B. they’re not/they aren’t
7. A. Am I asking, B. you’re not/you aren’t
8. A. Are you writing, B. I’m not
EXERCISE 6 page 48
Answers will vary.
1. When are some older people starting new careers? Later in life.
2. What is Iris Apfel wearing in this photo?
3. Where is Jack learning to paint?
4. What (kind of) class are you taking?
5. Who are your grandparents visiting in Mexico?
6. Why are people living longer nowadays?
7. Where is your sister applying to college?
8. Why aren’t you smiling in this photo?
9. Why aren’t your parents planning to retire?
10. Where are you doing an internship?
11. Why isn’t your brother working now?
12. What are you eating for lunch?/What kind of sandwich are you eating for lunch?
EXERCISE 7 page 49
1. you’re looking 2. Are you working 3. are working 4. are they doing
5. One’s teaching 6. Another’s helping 7. are they working
8. is the community center hiring 9. I’m planning 10. is living
11. What’s he doing 12. he’s making 13. people are watching
Reading 2
COMPREHENSION page 51
1. T; 2. F; 3. F
THINK ABOUT IT page 51
Answers will vary.
2.4 Contrasting the Simple Present and the
Present Continuous
EXERCISE 8 pages 52–53
1. a. ’re eating and working, b. are you eating, c. eat, d. ’m trying/am trying, e. eat, f. ’m making/am making, g. ’m working/am working, h. ’re eating and listening/ are eating and listening, i. listen, j. work or study, k. work, l. concentrate, m. don’t do/do not do, n. don’t understand/do not understand
2. a. Are you sleeping, b. get, c. do you sleep, d. need, e. turn off, f. want, g. ’s making /is making, h. don’t want/do not want, i. drink, j. need
3. a. does your mother do, b. Is she, c. does she do, d. doesn’t have/does not have, e. ’s taking/is taking, f. ’s painting/is painting
2.5 Action and Nonaction Verbs
EXERCISE 9 page 54
1. I’m thinking 2. sounds 3. is coming 4. I’m receiving 5. looks
6. He’s telling 7. He wants 8. I’m learning 9. I have 10. I use
11. I prefer 12. It saves 13. It looks 14. You’re writing
15. you’re using 16. You need 17. I don’t like 18. I don’t think
19. you send 20. I write 21. I check 22. I’m studying
23. I’m making
EXERCISE 10 pages 55–56
1. a. helps, b. works, c. loves, d. rides, e. likes, f. Is she working, g. ’s visiting/is visiting
2. a. ’m using/am using, b. bring, c. Do you expect, d. need, e. don’t have/do not have
3. a. ’s the teacher saying/is the teacher saying, b. ’s talking/is talking, c. don’t understand/do not understand, d. ’m not listening/am not listening, e. ’m texting/am texting, f. think
4. a. are you writing, b. ’m writing/am writing, c. love, d. Do they live, e. visit, f. do you communicate, g. do, h. isn’t working/is not working/’s not working, i. use/are using/’re using
5. a. Do you see, b. ’s wearing/is wearing, c. has, d. looks, e. know, f. thinks
6. a. are planning, b. thinks, c. sounds, d. doesn’t know/ does not know, e. falls sometimes, f. needs, g. never remembers, h. hear, i. is calling/’s calling
FUN WITH GRAMMAR page 56
Sentences will vary.
Reading 3
COMPREHENSION page 58
1. F; 2. T; 3. F
THINK ABOUT IT page 58
Answers will vary.
2.6 The Future with Will
EXERCISE 11 page 58
1. T; 2. F; 3. F
EXERCISE 12 page 59
1. will be 2. will you do 3. won’t have 4. I’ll have
5. what will you do 6. Where will you go 7. will you be 8. we’ll visit
9. he’ll be 10. He’ll be 11. We’ll be 12. will you do 13. won’t be
14. won’t you be 15. You’ll need 16. I’ll ask 17. she’ll do
18. I’ll send 19. I’ll send 20. he’ll appreciate
EXERCISE 13 page 60
1. will live 2. will increase/will triple 3. will triple/will increase
4. Will, have 5. will find 6. will move 7. will, spend 8. will, need
9. will, be
2.7 The Future with Be Going To
EXERCISE 14 page 61
1. are going to live 2. are going to have
3. am going to become/am going to be, is going to be/’s going to be
4. are going to have 5. are going to need 6. Are, going to study
7. are going to find 8. is going to double 9. Are, going to live
10. are going to spend 11. is going to be/’s going to be
12. Am, going to live
EXERCISE 15 pages 61–62
1. ’m going to retire 2. are you going to do 3. ’m going to explore
4. are you going to explore 5. ’m going to take
6. Are you going to work 7. ’s going to retire 8. aren’t going to need
9. aren’t they going to need 10. is going to graduate/’s going to graduate
11. is going to get 12. ’m going to miss
13. isn’t going to be / ’s not going to be 14. ’m not going to miss
2.8 Choosing Will, Be Going To, or Present
Continuous for Future
EXERCISE 16 page 63
1. you’re retiring 2. I’ll be 3. are you going to do 4. I’m moving
5. are you going to do 6. I’m going to buy 7. I’ll learn
8. I’m not going to retire 9. you’ll visit 10. I will 11. I’m starting
12. I’ll help 13. That’ll make
EXERCISE 17 pages 63–64
1. a. I’m going to visit, b. I’m going to help, c. I’ll return, d. I’ll text
2. a. is arriving, b. I’ll go, c. I’ll, d. are they going to stay/are they staying, e. They’re coming, f. my sister’s graduating, g. they’re going to
3. a. She’s going to retire, b. going to have/having, c. I’ll
2.9 The Future + Time or If Clause
EXERCISE 18 pages 64–65
1. are you doing 2. is 3. is he going 4. He’s going to/He’ll
5. He’s getting 6. going to do 7. he’s 8. going to outlive
9. he’s probably going to need/he’ll probably need 10. he gets
11. he needs 12. he’ll have 13. they’re 14. I’m
15. I’m going to take 16. You’ll change 17. you’re
ABOUT YOU page 65
Answers will vary.
REVIEW page 67
1. are you doing 2. Do 3. I don’t have 4. I’m packing
5. We’re moving/We’re going to move 6. are you 7. have
8. is coming 9. going to need 10. is he 11. ’ll leave 12. gets
13. will probably be 14. has 15. likes 16. brings 17. like
18. Is your father 19. finds 20. live 21. doesn’t like
22. Do you need 23. staying 24. is helping 25. I’ll come
26. We’re going to use 27. don’t 28. want 29. I hear
30. He’s calling 31. needs 32. I’ll call 33. I’ll see
EDITING PRACTICE pages 68–69
1. will I 2. C 3. C 4. taking 5. is studying/’s studying
6. is going to/’s going to 7. gets 8. C 9. am I going to 10. I think
11. needs 12. will be happy/’ll be happy
13. Will I have/Am I going to have 14. retire 15. C 16. C
