The house is dirty because it ________ since they moved out.A.doesn"t cleanB.is

The house is dirty because it ________ since they moved out.A.doesn"t cleanB.is

题型:不详难度:来源:
The house is dirty because it ________ since they moved out.
A.doesn"t cleanB.isn"t cleaned
C.hasn"t cleanedD.hasn"t been cleaned

答案
D
解析
D 考察动词时态和语态。句义:—房子很脏,因为自从他们搬出去以后就没有打扫过。空格处于主语the house之间是逻辑上的被动关系,由此可以排除AC项。根据句中的状语since they moved out,并结合语境可知,空格处应该使用现在完成时,表示过去发生的某一动作对现在语境造成的影响或结果。故D正确。
举一反三
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A.has saidB.has been saidC.had saidD.had been said

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Barrack Obama __________ President of the United States since 2010.
A.became aB.has become aC.has turnedD.has been

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The famous reporter, who is said to go back to America next month, _____in China for almost twenty years.
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A.has beenB.had beenC.would beD.is

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A.remained; in ruins B.left; in ruinsC.remained; in ruinD.left; in ruin

题型:不详难度:| 查看答案
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