摘要： The students had to finish their homework in time, they? A. hadn’t B. must C. did D. didn’t
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The students had to finish their homework in time, ?
[ ]
A. didn't they
B. must they
C. did they
D. hadn't they
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B. must they
C. did they
D. hadn't they
The students had to finish their homework in time, ?
A. didn’t they B. must they C. did they D. hadn’t they
查看习题详情和答案>>