---Wedidnotseehimatthelectureyesterday. ---You     him,...

问题详情：

---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

知识点：情态动词

题型：选择题