he is the only friend ____I made at that time.

问题描述:

he is the only friend ____I made at that time.
我知道是定语从句,可是答案只有that,为什么whom不可以呢?

定语从句的先行词如果是包含限定词,必须由that引导从句.这里说的限定词,可以简单的理解为特指的某个人或者事.一般用定冠词the修饰.举个例子就知道区别he is a friend whom/that i made at that time.这里就可以用who...