英語情態動詞專項訓練(有詳解)

1. “Do you think he is lazy?” “I _____ once, but I don’t now.”

A. may have thought

B. can have thought

C. may think

D. might think

2. Their answers are exactly the same — one of them ______ from the other.

A. must copy

B. must have copied

C. should copy

D. should have copied

3. —Shall I go and buy some fruit for the party?

—No, I have already bought 3 baskets. That _____be enough.

A. can

B. ought to

C. may

D. might

4. It was playing computer games that cost the boy plenty of time that he _____ have spent doing his lessons.

A. might

B. must

C. ought to

D. co

5. She _____ you around the area personally but for the fact that she was in a hurry at that time.

A. might have shown

B. might show

C. must have shown

D. must show

6. I lived with my sister this summer and didn’t have to pay rent. So I _____save most of my salary.

A. could

B. would

C. should

D. was able to

7. —What do you think of the project Mr Johnson asked us to do?

—Well, it is a very important task. You _____be too careful.

A. must

B. can

C. cannot

D. mustn’t

8. You ____phone him if you want to but you____! He is sure to phone you.

A. may, mustn’t

B. have to, needn’t

C. can, doesn’t need

D. can, needn’t

9. You________ return the book now, you can keep it till next week if you like.

A. can’t    

B. mustn’t

C. needn’t    

D. may not

10. I was really anxious about you, you________ home without a word.

A. mustn’t leave

B. shouldn’t have left

C. couldn’t have left

D. needn’t leave

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