题目内容：

which 引导定语从句时什么时候在前面加介词啊?

优质解答

当定语从句中的which是做介词的宾语,就要在which前加介词.举个例子,This is the city which I lived in.或 This is the city in which I lived.在这个从句中,which就是做介词in 的宾语,所以前面一定有in.你可能觉得...