Book Exercise Answer Key for Exercise Quiz Exercises (3rd edition)
CHAPTER 1
Ex 5 (p5-6)
2. am sitting . . . sit
3. speaks . . . is speaking
4. Does it rain . . . is
5. Is it raining . . . is starting
6. is walking
7. walks . . . Do you walk . . . Does Oscar walk
8. am buying . . . buy
Ex 19 (p17-19)
1. am looking . . . see
2. Do you need . . . Do you want
3. think . . . know . . . forget . . . remember
4. Do you believe . . . are you talking . . . exist
5. are . . . are having . . . have . . . are playing . . . like . . . are sunbathing . . . are trying. . . are listening . . . hear
6. are you thinking . . . am thinking . . . Do you like . . . think
7. do you prefer . . . like . . . am reading . . . prefer . . . are . . . . value . . . means . . . is . . . loves . . . sounds
8. spins . . . is spinning . . . Are you trying . . . . Do you really think . . . Do you believe . . . are growing . . . are getting . . . are taking . . . are speaking
Ex22 (p21-22)
2. Are they watching . . . aren't . . . are playing
3. hear . . . Do you hear . . . do
4. are you listening . . . want
5. am . . . are you doing . . . am trying . . . is resting
6. do you think . . . think . . . don't think
7. are you thinking . . . am thinking . . . am not thinking . . . don't believe
8. Do you see . . . am talking . . . is wearing . . . Do you know . . . don't think
9. Do you know . . . do . . . is . . . doesn't make . . . know
CHAPTER 2
Ex 13 (p37-38)
2. Did Tom's plane arrive . . . it did . . . got
3. Did you go . . . I didn't . . . stayed . . . didn't feel
4. Did Mark Twain write . . . he did . . . wrote
5. Did you eat . . . I didn't . . . didn't have . . . didn't ring
Ex 16 (p40)
2. was eating . . . came
3. came . . . was eating
4. was sleeping
5. was sleeping . . . rang
6. rang . . . was sleeping
7. began
8. was walking . . . saw
9. saw . . . was standing . . . was holding
10. waved . . . saw
Exercise 23 (p50-51)
2. bought . . . went; adv cl = [before I went to the hospital yesterday to meet my friend]
3. went . . . got . . . was . . . was planting . . . was . . . was working . . . was changing . . . were playing . . . was changing . . . were playing; adv cl = [When I got there around two o'clock] and [while Mr. Smith was changing the oil in the car]
4. hit . . . was using . . . hurt; adv cl = [while I was using the hammer]
5. heard . . . began; adv cl = [As soon as we heard the news of the approaching hurricane]
6. walked . . . got. . . stopped . . . rested . . . was; adv cl = [until he got tired] and [until he was strong enough to continue]
7. was lying . . . heard . . . heard . . . turned . . . held . . . listened . . . was chewing; adv cl =[While I was lying in bed last night] and [When I heard this strange noise]
8. was looking . . . started . . . took . . . was taking . . . (was) enjoying . . . came . . . asked . . . told . . . thanked . . . went . . . stayed . . . came . . . covered . . . went . . . returned . . . noticed . . . was making . . . was humming . . . thought . . . shut . . . got . . . left . . . spent; adv cl = [while I was looking] and [ while I was taking a short break outdoors and . . . on my face ] and [ After I told him how to get there] and [until a big cloud came and covered the sun] and [ As soon as I returned to my desk]
CHAPTER 3
Ex 14 (p 64)
3. will
4. am going to
5. will
6. are going to
7. will
8. will
9. am going to
10. will . . . will
Ex 16 (p66-67)
2. will call . . . returns
3. won't be . . . come
4. go . . . will prepare
5. visits . . . will take
6. will stay . . . calls
7. doesn't come . . . will miss
8. gets (also possible: is) . . . will eat . . . is. . . will be
Ex 20 (p 69)
1. a. goes . . . brushes
b. goes . . . is going to email / will email
c. went . . . took
d. was taking . . . rang
e. rang . . . jumped
f. gets . . . is going to brush / will brush
g. brushes . . . gets
2. a. get . . . drink
b. get . . . am going to drink / will drink
c. will not have . . . get
d. got . . . drank
e. was drinking . . . came . . . offered
f. is probably going to drop / will probably drop . . . comes . . . am going to make / will make
Ex 32 (p 79)
1. made . . . didn't have . . . weren't . . . wore
2. make . . . comes . . . buy
3. is . . . wear . . . wear
4. exist . . . wear . . . are
5. will probably be / are probably going to be . . . will wear / are going to wear . . . Will we all dress / Are we all going to dress . . . show . . . do you think