摘要： There is no light in the dormitory. They must have gone to the lecture, ? A. didn’t they B. don’t they C. mustn’t they D. haven’t they
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There is no light in the dormitory. They must have gone to the lecture,________?
A. didn’t they B. don’t they C. mustn’t they D. haven’t they
查看习题详情和答案>>There is no light in the dormitory. They must have gone to the lecture, ________?
A. didn't they B. don't they C. mustn't they D. haven't they
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There is no light in the dormitory .They must have gone to the lecture,_____?（2004 上海春，31）
A.didn’t they B.don’t they
C.mustn’t they D.haven’t they
查看习题详情和答案>>