Did she do her homework last night (用at seven o'clock last night 代替last night)
问题描述:
Did she do her homework last night (用at seven o'clock last night 代替last night)
( )she ( )her homework at seven o'clock last night?
答
Was doing
具体到一个时间点~
用过去进行时~
不明白的再问哟,请及时采纳,多谢!