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The water supply has been cut off temporarily because the workers ____ one of the main pipes.
A.had repairedB.have repairedC.repairedD.are repairing
D
句意:“临时切断了水的供给,因为工人正在修理一个主管道。”A表示“过去的过去”,一定要有一个过去的时间做对比,不能单独使用,故不能选A;B现在完成时,表示“过去一个动作对现在的影响或过去一个动作一直持续到现在还有可能再继续下去”,一定和现在有关;在这里,没有表示repair的影响,也没有表示时间的蕴含;C过去时态,单纯的过去,和现在没有关系,不会题意;D现在进行时,说话时正在进行的动作。
【考点定位】考查时态的用法。时态要注意关注语境和时态的基本用法。尤其要注意现在完成时和过去完成时,前者一定和现在有关系,后者是过去的过去,一定要有一个过去的时间作对比。
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