问题
There __________a pool in the park, but now it is gone.
A:used to have
B:used to be
C:will be
D:must be;
B:used to be
C:will be
D:must be;
正确答案是：
同类题型
My sister is good ______ music and she is good ______ the children in the music club.
learned ,no matter what happens and how bad seemstoday, life goes on and it will be better tomorrow
_____all over the hills and around the lake are wild flowers of different kinds.
Why not _____ help when you were in trouble
Well, if you take this medicine __________, you’ll bebetter soon.