It'shardtokeeptheroom________withsomanychildren.A.cleaningB.tocleanC.cle

发布时间：2020-08-04 15:15:52

It's hard to keep the room ________ with so many children.A.cleaningB.to cleanC.cleanedD.clean

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D解析keep sht.+adj.意为是“让……处于某种状态”。
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