九年级英语定语从句

题目

九年级英语定语从句
大家先看看下面两个句子：
1.This is the factory which we worked last year.
2.This is the factory where we visited last year.
我就一个问题,他们如此相像,为什么一个用which,一个用where?

答案

你绝对把题给错了