I still remember the day ( ) I first came to Beijing.

题目

I still remember the day ( ) I first came to Beijing.
这个空都可以填什么?

答案

when或on which
这是定语从句,填入的可以是关系副词when,作从句里的状语；由于“介词+which”一般可以代替相应的关系副词,这里用on which也可,on which即on that day