They must have finished the work by the end of last month, ? A. mustn’t they B. haven’t they C. hadn’t they D. didn’t they 查看更多

 

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They must have finished the work by the end of last month, ______?

  A. mustn’t they         B. haven’t they             C. hadn’t they               D. didn’t they

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They must have finished the work by the end of last month, ______?

A.mustn’t they

B.haven’t they

C.hadn’t they

D.didn’t they

 

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They must have finished the work by the end of last month, ______?

A.mustn’t theyB.haven’t theyC.hadn’t theyD.didn’t they

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They must have finished the work by the end of last month, ________?

[  ]

A.mustn't       B.haven't they

C.hadn't they     D.didn't they

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They must have finished the work by the end of last month, ________?

[  ]

A.mustn't       B.haven't they

C.hadn't they     D.didn't they

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