手机扫描二维码答题
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情态动词表推测练习题
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1. Mr. Li _______ be in Beijing because I saw him only a few minutes ago.
A. mustn't
B. can't
C. may not
D. must
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2. It ______ last night, for the ground is wet.
A. may rain
B. can have rained
C. might rain
D. must have rained
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3. He _____ be over forty years old! He looks so young.
A. may not
B. must not
C. can not
D. needn't
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4.The light is still on. He ___________ in the office now.
A. must
B. must be working
C. can't be working
D. can't work
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