题目内容
_____ 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 |
A
试题分析: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.
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