题目

Do you remember there ___ a river here?
A.used to be
B.used to being
C.was used to being
D.was used to be
选什么,为什么?

提问时间：2020-10-30

答案

A.
used to do“过去常常”,used to be“过去……”,这里意思是“你记得以前这里有条河吗?”