2.My sister met him at the Grand Theatre yesterday afternoon.so he your lecture. A.couldn’t have attended B.needn’t attend C.mustn’t have attended D.can’t attend 解析:选A.考查情态动词的用法.“情态动词+have done 表示对已经发生的某件事情的推测.must have done“肯定发生了某事 .只能表示把握较大的肯定的推测.表示“不可能已经发生某事 则有can’t/couldn’t have done.句意:我姐姐昨天下午在Grand Theatre 遇到了他.因此.他不可能听了你的讲座. 查看更多

 

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My sister met him at the Grand Theatre yesterday afternoon,so he ________your lecture.
A.couldn’t have attended B.needn’t have attended
C.mustn’t have attended D.shouldn’t have attended

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My sister met him at the Grand Theatre yesterday afternoon,so he ________ your lecture.

[  ]

A.couldn’t have attended

B.needn’t have attended

C.mustn’t have attended

D.shouldn’t have attended

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