定语从句

Question

we came to a place they had never paid a visit before

这里空白处我知道应该填 to which但是我讲不明白为什么，谁能详细的讲讲，最好简而易懂。

Answer 1

张老师带你了解什么是定语从句。

Answer 2

pay a visit to。。。
游览某地，拜访某地

从句中应该是 paid a visit to a place
which在定语从句中指代a place，那么就是 paid a visit to which。

定语从句把to which提前，就成了：
to which they had never paid a visit before本回答被提问者采纳

Answer 3

什么是定语从句？