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?

Question

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?

Answer 1

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?”