________the floor _________?A.Has,swept B.Have,been swept C.Has,been swept

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________the floor _________?A.Has,swept B.Have,been swept C.Has,been swept
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________the floor _________?A.Has,swept B.Have,been swept C.Has,been swept
________the floor _________?A.Has,swept B.Have,been swept C.Has,been swept

________the floor _________?A.Has,swept B.Have,been swept C.Has,been swept
C

C

C

C
因为,地板是不可数所以用第三人称has,地板只能被拖,所以用被动语态 be swept.
PS:望采纳~~~谢谢~~~~