That is the man about w__ they were talking at this time yesterday.填空题!求解!急!

问题描述:

That is the man about w__ they were talking at this time yesterday.填空题!求解!急!

只能填whom
about whom they were talking at this time yesterday 定语从句
介词移到后面就变成
whom they were talking about at this time yesterday,这是也可用who