问题描述：
介词宾语从句中which可以做主语么?
The other day,my brother drove his car down the street at ____ I thought was a dangerous speed.
A.what B.that C.which
请问为什么 C 是错的 而 A 是对的？
The other day,my brother drove his car down the street at ____ I thought was a dangerous speed.
A.what B.that C.which
请问为什么 C 是错的 而 A 是对的？
问题解答：
我来补答展开全文阅读