题目内容
---- 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
B
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题目内容
---- 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
B