--Do you remember there _____ a river here? --- Of course, I often swam in it when I was young. 
#23070
A
used to being
B
used to be
C
was used to be
D
was used to being
推荐题目
---Don’t play with fire. It’s dangerous.  --- ____________.
#23956
A
Yes, I do
B
Yes, I will
C
No, I don’t
D
Sorry, I won’t
—What about having a drink?  —      .
#2721
A
Good idea
B
Help yourself
C
Go ahead,please
D
Me,too
--Our team won the basketball final today!  --______
#21781
A
I hope not.
B
I'm not sure.
C
I know.
D
That's great!