—Listen! Is that Kate playing the piano in the room?—No. It _______ be Kate. She

题型：同步题难度：来源：

—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

答案

举一反三

I"ll take a vacation later this month. I ____! [     ]
A. can"t wait
B. can wait
C. can"t waiting

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—Can you play the piano?
—Yes, I _____. I often practice it on weekends.
A. needn"t
B. need
C. can"t
D. can

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—I can"t give up smoking, doctor.
—For your health, I"m afraid you _____.
A. may
B. can
C. have to

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This history book _____ be Bob"s sister"s. His sister is only a baby.

A.must
B.might
C.can"t

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He _____ go out because the stove was on fire. [ ]
A. may not
B. can"t
C. couldn"t
D. might not

题型：期末题难度：| 查看答案