The room is in a terrible mess: it______cleaned.

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问题 The room is in a terrible mess: it______cleaned.

选项 A、can’t have been
B、shouldn’ t have been
C、mustn’ t have been
D、wouldn’ t have been

答案A

解析根据句意可知，前一句是对事实进行阐述，后面的分句则是基于这一事实进行的推测，表示“不可能打扫了屋子”。can’t have done：不叮能做过，不可能发生；shouldn’t have done：本不该做某事却做了；mustn’t have done这种形式在英语中不存在：wouldn’t have done：不会做某事，是对过去情况的假设。故选A。

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本试题收录于：英语题库普高专升本分类

英语

普高专升本

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The room is in a terrible mess: it______cleaned.

英语

普高专升本

HespeaksEnglish()betterthanI.

()gatheringandstoringinformation,thecomputercanalsosolvecomplicatedproblems.

Her________tothejobleftherwithverylittlefreetime.

Theteacherhashisstudents______acompositioneveryotherweek.

Americansarepoundoftheirvarietyandindividuality,yettheyloveandrespectfewthingsmorethanauniform,whetheritis

Ifyouneedmoreinformation,pleasecontactus______telephoneore-mail.

ThedoctorinsistedthatPaul’smother______examinedthoroughly.

Thebadweather______thebuildingprogrambyseveralweeks.

Maryhaskeptworkingfortenhours._________,sheneedsarestnow.

Mary______liketosurftheInternet.Sheoftenspendshoursonline.

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