What_____you______(talk) about at 7.00 yesterday evening

问题描述:

What_____you______(talk) about at 7.00 yesterday evening

were talking
在昨晚7点你们正在讨论什么?

What did you talk (talk) about at 7.00 yesterday evening

were talking 具体到7点了,所以该用进行时表达

What___did__you___talk___(talk) about at 7.00 yesterday evening?
望采纳~