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?
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?
问题解答：
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