把以下两个句子合为一个．（定语从句）

this is the old house in which I lived 10 years ago
in which也可以用where

LS简直就是胡写

I lived in the house that is old 10 years ago.

This is the old house which I lived in 10 years ago.

This is the old house (in) which(that)I lived in 10 years ago.这里的in放在which前或lived后都可以