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――Wedidnotseehimatthelectureyesterday. ――You

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問題詳情:

――Wedidnotseehimatthelectureyesterday. ――You

―― 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


 

【回答】

B

知識點:虛擬語氣與情態動詞

題型:選擇題

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