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?

问题描述:

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?

The first one is right.
"Where" is equal to "at which'.

1
at which==where
第二句中的at多余