I prefer this diagram ________ that one.
A、thanC
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Thefloordoesnotlooksobadwhen________(sweep)clean.
Onlywhenyouhaveobtainedsufficientdata________cometoasoundconclusion.
Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
Heaskedmewhethermybrother________(fly)toBeijing.
