Exercis:
失重环境1. -----Guess what! I have got A for my term paper.
------Great! You _______read widely and put a lot of work into it.
A. must B. should C. must have D. should have
2. Sorry I'm late. I have turned off the alarm clock and gone back to
sleep again.
A. mightn't B. shouldn't C. can't D. won't
cold water3. ------ The woman biologist stayed in Africa studying wild animals for 13
years before she returned .
------- Oh , dear ! She ______ a lot of difficulties !
A. may go through B. might go through C. ought to have gone
through
D. must have gone through
4. I was on the highway when this car went past followed by a police car.
They _____ at least 150 kilometers an hour.
5. Mr. White ________ at 8:30 for the meeting , but he didn't show up.
A. should have arrived B. should arrive C. should have had arrived D.
should be arriving
6. He ________ you more help, even though he was very busy. A. might
have given
B. might give C. may have given D. may give
7. I told your friend how to get to the hotel, but perhaps I_________ have
driven her there. A. could B. must C. might D.
should
8. --------- My cat's really fat. --------You_______ have given her so
much food.
A. wouldn't B. couldn't C. shouldn't D. mustn't
9. He paid for a at, when he ________ have entered free.
A. could B. would C. must D. need
10. The weather turned out to be fine yesterday . I _______the trouble to
carry my umbrella with me . A. should have taken
B. could have taken C. needn't have taken D. mustn't have taken
11.We______ the difficulty together ,but why didn't you tell me?
A. should face B. might face C. could have faced D. might have
faced
theslam12. -------- Happy birthday ! ----------Thank you ! It's the best prent I
_______for.
A. should have wished B. must have wished
C. may have wished D. could have wished
13. We ________ have bought so much food now that Suzie won't be with
us for dinner. A. wouldn't B. needn't C. can't D. mustn't
14.I left my handbag on the train, but luckily someone gave it to a railway
official.
A. will have stolen B. might have stolen C. should have stolen D.must
have stolen
15.They_______have arrived at lunchtime but their flight was delayed.
A. will B. can C. must D. should
16. ----- Will you read me a story ,Mummy?
------ Ok. You have one if you go to bed as soon as possible.
A. might B. must C. could D. shall
国家承认的自考本科17.”You _______ have a wrong number,” she said.” There's no one of that
name here.” A. need B. can C. must D. would
japane big18. Jack described his father , who ________ a brave boy many years ago ,
奋斗英文as a strong –willed man.
A. would be B. would have been C. must be D. must have been
19. Mark _____ have hurried. After driving at top speed, he arrived half an
hour early.
A. neednhilltop't B. wouldn't C. mustn't D. couldn't
20.I______ have watched that movie. -----it'll give me horrible dreams.
A. shouldn't B. needn't C. couldn't D. mustn't
21. ------- Sorry, Professor Smith. I didn't finish the assignment yesterday.
--------Oh, you ______ have done it as yesterday was the deadline.
hurt lovers
A. must B. mustn't C. should D. shouldn't
22. -------- I haven'享受的乐趣t got the reference book yet, but Iupgrade esntial'll have a test on the
subject next month.
---------Don't worry. You ________ have it by Friday.
A. could B. shall C. must D. may
t find him anywhere.
'23. ----- Do you know where David is? I couldn
------Well. He ______ have gone far-----his coat's still here.
A. shouldn't B. mustn't C. can't D. wouldn't
24. As you worked late yesterday, you _______ have come this morning.
A. mayn't B. can't C. mustn't D. needn't
25.-------I'll tell Mary about her new job tomorrow.
