题目内容
— Someone is knocking at the door. It _________ be Tom.
— No, it ________ be him; he has gone to Sydney.
A. may, needn’t B. might; mustn’t C. must; can’t D. can; mustn’t
C
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题目内容
— Someone is knocking at the door. It _________ be Tom.
— No, it ________ be him; he has gone to Sydney.
A. may, needn’t B. might; mustn’t C. must; can’t D. can; mustn’t
C