英语达人速度

问题描述:

英语达人速度
The house which I used to live in has disappeared.
The house in which I used to live has disappeared.
两句话有什么区别?which与in which 有什么区别?

in which是把介词“in”提前了.其它没什么区别,引导定语从句.
which在从句中是不定代词,做主语,宾语,而 in which在从句中做关系副词,等于where的.