--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
————That was a green dinner. _______ ————Thanks. But it really only took an hour.
#4107
A
I have never had it before.
B
I enjoyed it very much.
C
You must have spent all day cooking.
D
You must be tired.
-----Let’s go for a walk in the garden.-------_______, but I need to do the washing-up.
#2098
A
No, thank you
B
That’s right
C
Good idea
D
Not at all