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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 did not see him at the lectureyesterday.

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

A.mustn’t have seen

B.can’t have seen

C.couldn’t see

D.needn’t have seen

 

试题答案

【答案】

B

【解析】

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