题目列表(包括答案和解析)

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21. Michael ______ be a policeman, for he’s much too short.

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

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20. Peter ______ come with us tonight, but he isn’t very sure yet.

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

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19. –Could I borrow your dictionary?   -- Yes, of course you _______.

     A. might      B. will       C. can      D. should

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18. A computer ______ think for itself, it must be told what to do.

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

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17. –May I stop here?    --No, you ______.

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

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16. It’s still early. You ______.

A.  mustn’t hurry           B. wouldn’t hurry 

C. may not hurry           D. don’t have to hurry

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15. Put on more clothes. You ______ be feeling cold with only a shirt on.

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

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14. Even the top students in our class can’t work out this problem. So it ______ be very difficult.

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

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13. John ______ go there with us tonight, but he isn’t very sure about it.

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

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12. –Must we hand in the papers now?     --No, you ______.

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

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