This is the university _________?This is the university at which _英语解答

This is the university _________?
This is the university at which do we study.和This is the university where we study at.哪句是对的?为什么?

人气：319 ℃　时间：2020-03-29 11:32:48

解答

1
at which==where
第二句中的at多余