This is the very book__I want to find.

题目

This is the very book__I want to find.
为什么不能用which

答案

因为有very修饰book,所以必须要用that.先行词有一些特殊的词修饰,例如the only,the first等,使得先行词变成了一个确指的词,那么就得用that,不能用which.