You keep the book for a week. [ ] A. can B. have to C. must D

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You      keep the book for a week.     [     ]
A. can
B. have to
C. must
D. should

答案

举一反三

Jeff can"t come to the party, because he"ll help his sister with the housework. [ ]
A. must
B. have to
C. has to
D. needs to

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—Need I put some milk into the coffee?
—No, you              .        [     ]
A. can"t
B. needn"t
C. mustn"t
D. shouldn"t

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—Could you play football with me this afternoon?    .
—I"m sorry. I           babysit my sister.     [     ]
A. have to
B. should
C. can
D. may

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用情态动词 could, can, may, must, need 的正确形式填空。1. —_______you answer this question in
   —Sorry, I_______.  _______I answer it in English?
   —No, you_______. You _______answer it in Chinese.
2. —_______ I ask a question?
    —Yes, you _______But you_______wait a minute.
3. —_______ I use your eraser, Bill?
   —Sorry, I don"t have one. Ask Mary. She_______have one.
4. —_______you help me do the shopping?
   —OK, sure.
5. —_______you sweep the floor, please?
   —OK, but I_______finish my homework first..

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-Listen! Is that Kate playing the piano in the room?
-No. It _____ be Kate. She has gone to London.[ ]
A. may not
B. needn"t
C. mustn"t
D. can"t

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