答案:D 解释:根据时间状语for weeks可知道用现在完成时.表示已经有好几周没擦窗了.并且主语It 与clean 是被动关系.故选D 查看更多

 

题目列表(包括答案和解析)

根从所给的四个选项中选择最佳答案

Have you got any pen with you?

Sorry, I never______any pen about me.   

[  ]

Abring    Btake   Ccarry    Dfetch

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根从所给的四个选项中选择最佳答案

With the development of modern industry, many kinds of wild animals and plants have already ______.   

[  ]

Adied of    Bdied from   Cdied for   Ddied out

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根从所给的四个选项中选择最佳答案

How do you like your job there, Peter?

______.   

[  ]

AYes, I like it     BI'm not used to it

CI'd like it very well   DI don't do it well

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根从所给的四个选项中选择最佳答案

He was standing by a gas stove and his nightdress ______ fire

[  ]

Atook   Bstarted    Cset    Dcaught

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根从所给的四个选项中选择最佳答案

His father suddenly died, ______made it impossible for him to go abroad

[  ]

Athat   Bwhich   Cas   Dthat

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