6情态动词练习

1.He ________see a doctor before it is too late.

A. must

B.must have to

C. can

D. need

2. Why_______ you always leave your dirty clothed in the bedroom?

A. need B can C may D must

3. You_______ walk for miles and miles among the hills without meeting anyone.

A. must

B. need

C. may D should

4. Our teacher are at work. You _____make so much noise

A. won’t B mustn’t C. may not D needn’t

5. Don’t be worried . The news _____be true.

A may out

B mustn’t

C needn’t

D shan’t

6. “Bob, did you have a good time at Jane’s party last night?”

“Yes, but I really _____ because we had an English exam this morning.”

A mustn’t

B shouldn’t

C couldn’t

D needn’t

7. “Need I start from the beginning?”

“Yes, you ______.”

A need

B shall

C can

D must

8. There _______no hurry, need there?

A need be

B need to be

C doesn’t need

D needs

9. ______someone get into trouble, please dial 110

A Should

B If

C Shall

D May

10. “Look, it ______be Lao Wang.”

“ No, it ______be him. He has gone abroad.”

A may mustn’t

B must may not

C must can’t

D can may not

11. I’m surprised that he ________ in the exam.

A.Should fail

B. would have failed

C.May have failed

D. should have failed

12..You _______ her more help, even though you were really very busy.

A.Ought to have given

B. must have given

C.might give

D. ought to give

13. The conference ________ a full week by the time it ends.

A.Must have lasted

B. will have lasted

C.would last

D. has lasted

14. We needn’t have taken warm sweaters. We ________ the space in our luggage for more books!

A.Can have used

B. could have used

C.ought to use

D. must have used

15. Research findings show we spend about two hours dreaming every night, no matter what we _______ during the day.

A.Should have done

B. would have done

C.must have done

D. may have done

16. Call me next Tuesday; I _______ the project by them

A.Might finish

B. might have finished

C.should finish

D. ought to finish

17. There was a terrific noise last night. It _______an explosion.

A.Can be

B. should be

C.must be

D. must have been

18. He ________ the rules, otherwise he _________ so many mistakes.

A.Should forget; wouldn’t make

B. must have forgotten; wouldn’t make

C.must have forgotten; wouldn’t have made

D. should have forgotten; wouldn’t make

19. She _______by credit card but she preferred to use cash.

A.Might pay

B. could have paid

C.could pay

D.must have paid

20 . It is not likely that Mary appears to be unfriendly, so she _______ you when you waved.

A.Would not see

B. had not seen

C.couldn’t have seen

D. should not have seen