题目内容
There is no light or sound in the house.They muse have gone to the cinema, ________?
[ ]
A.didn't they
B.don't they
C.mustn't they
D.haven't they
答案:D
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题目内容
There is no light or sound in the house.They muse have gone to the cinema, ________?
A.didn't they
B.don't they
C.mustn't they
D.haven't they