――Wedidnotseehimatthelectureyesterday. ――You
問題詳情:
―― 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