题目列表(包括答案和解析)

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11. The boy said he had to speak English in class, but he ______ speak it after calss.

     A. could      B. didn’t have to   C. might       D. shouldn’t

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10. –Mum, may I watch TV now?

     --Sure, but you ______ help me with my housework first.

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

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9. These books ______ out of the reading room. You have to read them here.

     A. can’t take    B. must be taken   C. can take     D. mustn’t be taken

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8. –Who is the man over there? Is it Mr Li?  

--No, it ______ be him. Mr Li is much taller.

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

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7. –Where is Jack, please ?   --He _____ be in the reading room.

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

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6. –May I go out to play basketball, Dad?

--No, you ______. You must finish your homework first.

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

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5. To make our city more beautiful, rubbish ______ into the river.

    A. needn’t be thrown          B. mustn’t be thrown

C. can’t throw             D. may not throw

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4. –May I go to the cinema, Mum?  --Certainly. But you ______ be back by 11 o’clock.

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

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3. –Can you go swimming with us this afternoon?

    --Sorry, I can’t. I _____ take care of my little sister at home because my mother is   ill.

    A. can       B. may       C. would      D. have to

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2. –Must I saty at home, Mum?     --No, you ______.

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

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