题目

This is the hotel____ last month
1.which they stayed
2.at that they stayed
3.where there stayed at
4.where they stayed
要不要加at?

提问时间：2020-07-22

答案

改正：
1.which they stayed at
2.at which they stayed
3.where there stayed
4是正确的
which要加at
where不用
where可以相当于at which