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- We did not see him at the lecture yesterday. - You him, since I went to an int

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- We did not see him at the lecture yesterday. - You him, since I went to an int

— We didnot see him at the lecture yesterday.

    — You _______ him, since I went to an international conference with him.

       A.mustn’t have seen                                       B.can’t have seen

    C.couldn’tsee                                               D.needn’t have seen

 

试题答案

【答案】

B

【解析】略