问题 选择题

_____ when the light went on last night?

A.What were you doing

B.What have you done

C.What did you do

D.How were you doing

答案

答案:A

题目分析:句意:昨天夜晚,当灯亮的时候你正在做什么?时间限定在一段时间之间,应用进行时,由于是过去的动作,固用过去进行时,故选A.

综合
单项选择题