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1. —Mom, must I practise the piano today?

—No, you ________. You may have a rest today.

A. needn’t            B. mustn’t              C. can’t                  D. shouldn’t

2. —Whose notebook is this?

—It ________ Jane’s. It has her name on it.

A. must be            B. might belong to C. may be       D, could be

3. —How is your friend coming?

—I’m not sure. He ________ drive here.

A. may                  B. can                    C. must                  D. will

4. —Listen! Helen is singing in the next room.

—It ________ be Helen. She has gone to Beijing.

A. can’t                 B. mustn’t              C. may                   D. should

5. Anna hasn’t come to school today. I think she ________ be ill.

A. can                   B. has to                C. may                   D. should

6. —May I watch TV for a while?

—No, you ________. You have to finish your homework first.

A. shouldn’t         B. needn’t             C. mustn’t             D. won’t

7. —________ I borrow these magazines?

—Sorry, only the magazines over there can be borrowed.

A. Must                 B. Would               C. May                   D. Need

8. —May I smoke here, please?

—I am afraid you ________. This is a non-smoking area.

A. can                   B. can’t                  C. may                   D. may not

9. —Is Mr. Smith swimming in the pool, Harry?

—It ________ be him. I saw him go to the library just now.

A. may not            B. can’t                  C. needn’t

10. Children under 16 ________ not drive a car in the street.

A. should              B. could                 C. would                D. need

11. —Must I wash my hands before meals, Mum?

—Yes, you ________.

A. must                  B. can                    C. need                 D. could

12. —Must I be in hospital for a week, Doctor?

—No, you________. You can go back home tomorrow.

A. mustn’t              B. needn’t             C. must                  D. need

13. A teacher ________ also make a mistake if he or she is not careful enough.

A. must                  B. may                   C. should              D. need

14. —Could you please come to the museum with me this afternoon?

—Sorry, I ________. I have to take a piano lesson at 2 pm.

A. couldn’t            B. mustn’t              C. can’t                  D. needn’t

15. —Can you play with a yo-yo, Jim?

—Yes, I ________. It’s easy. (www.52ysedu.com)

A. must                 B. can                    C. need                 D. may

16. —I really like playing computer games!

—I’m afraid you ________ stop, for your study and your health.

A. can                   B. will                     C. may                   D. must

17. —Could I go to the movie this weekend, Dad?

—Yes, you ________. But you have to come back before nine.

A. could                B. must                  C. need                 D. can

18. —________ I swim in that river?

—No, you ________. It’s dangerous to swim in it.

A. Must; can’t      B. Can; may not   C. May; mustn’t

19. Schools ________ allow students at least one hour a day for sports.

A. would               B. might                 C. should              D. could

20. It’s too cold here in winter. People ________ wear warm clothes.

A. must                 B. have to              C. can                    D. should

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