问题 选择题

— Why weren't you at the meeting?

    — I ________ for a long distance call from my sister in America.

A.was waited

B.was waiting

C.has waited

D.have been waiting

答案

B 

上文的语境是过去时间,下文表示过去时间内正在进行的动作。

单项选择题
单项选择题