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 Thewatersupplyhasbeencutofftemporarilybecausetheworker...

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问题详情:

 Thewatersupplyhasbeencutofftemporarilybecausetheworker...

 The water supply has been cut off temporarily because the workers    one of the main pipes.

A. had repaired         B. have repaired      C. repaired      D. are repairing

【回答】

D

知识点:动词

题型:选择题

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