题目内容

Tom isn't answering his phone. He ______ shopping,or perhaps he's asleep.

A. can have gone
B. might have gone
C. has gone
D. might be going

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I wonder why Tom isn't at work today. I suppose he ___ ill.

A. must be
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Did she see you?No, she ____me.

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A. must be
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A. may have played
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