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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 597

— We did not 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’t see D.needn’t have seen
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—Wedidnotseehimatthelectureyes