—I don’t believe we before—Well I saw you once at a party but we introduced.A. have

问题补充：

—I don’t believe we before.

—Well, I saw you once at a party, but we introduced.

A. have met; weren’t

B. met; weren’t

C. have met; haven’t been

D. met; haven’t been

答案：

(答案→)A. have met; weren’t

B. met; weren’t

C. have met; haven’t been

D. met; haven’t been

解析：这题考查时态语态，第一空填现在完成时，因为有before，第二空从句意看是说在聚会上见过一次，但当时没有被介绍。选 A。