—Idon’tthinkwe

问题详情：

 —I don’t think we _______ before.

 —Well, I _______ you once at a party, but we ______ introduced then.

A. have met; had seen; weren’t          B. met; saw; didn’t

C. have met; have seen; didn’t           D. have met; saw; weren’t

【回答】

D

知识点：一般过去时及其被动式

题型：选择题