这里用 in which 也可以吧.
1 The place where he lives is very far away from the company.
where he lives 是正确的,清楚,如果用

The place in which he lives is very far away from the compay
The place which he lives in is very far away from the compay
which in / in which 这么写都可以吧.谢谢啦.