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.
_____ 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: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.