Did she do her homework last night?(用at seven o'clock last night代替last night)解释为什么要这样改

分类: 作业答案 • 2021-12-18 22:51:41

问题描述：

Did she do her homework last night?(用at seven o'clock last night代替last night)
解释为什么要这样改

答

Was she doing her homework at seven o'clock last night?过去某一时刻用过去进行时

答

应该是：
Was she doing her homework at seven o'clock last night?
昨天晚上七点她在做作业吗?
at seven o'clock last night 昨天晚上七点,是一个时间点
所以在那个点应该是正在做什么
所以用过去进行时