问题:
There used to be a church in the past , ____ ?
A.isn't there
B.didn't there
C.usen't it
D.used not it
There used to be a church in the past , ____ ?
A.isn't there
B.didn't there
C.usen't it
D.used not it
A.isn't there
B.didn't there
C.usen't it
D.used not it
参考答案: