后面用介词to,例如:

1、The terrorists replied to the government's statement with more violence.恐怖分子以更多的暴力事件来回应政府的声明。

2、I've not replied to Lee's letter yet我还没有给李回信呢。

3、To their surprise, hundreds replied to the advertisement.令他们吃惊的是,有几百人对广告作出了回应。