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  【HaveyouevervisitedtheWaterCube?Yes.WhenIservedasavolunteerinBeijing,IittwiceA.havevisitedB.visitedC.hadvisitedD.hadbeenvisiting为什么不选C】

  HaveyouevervisitedtheWaterCube?Yes.WhenIservedasavolunteerinBeijing,Iittwice

  A.havevisited

  B.visited

  C.hadvisited

  D.hadbeenvisiting

  为什么不选C

1回答
2020-11-1506:54
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  选B.一般过去时表示在过去某个时间发生的动作或状态;而过去完成时表示在过去某一时间之前完成的动作.根据句意,我参观水立方两次均发生在我当志愿者期间,而不是之前,故选B.再比如:

  Haveyouhadyourlunch?

  Yes,Ihaditat12:00.

  2.Igottothestationat8:00,butthetrainhadleft.

  3.Igottothestationat8:00,butthetrainleftat7:30.

  4.Bytheendoflastyear,wehadlearned1000Englishwords.

  5.When Iarrivedhome, myparents hadhaddinner.

  6.When Iarrivedhome, we haddinnertogether.

2020-11-15 06:57:23
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