关于定语从句的两个题

问题描述:

关于定语从句的两个题
we listen to him talking about the men and the books_____interest him.
答案应该是填that,但我想知道为什么不能用which?
Peter told his friends his reason why he loved places_____near the sea
A that they were B they were C where they were D that were
应该选什么,为什么?

用that,一般情况是可以互换的.但前面有两种不同的先行词,有人有物:the men and the books时.只能用that ,有only the one ,*之类,也是同样.Peter told his friends his reason why he loved places_____near th...