Thefloordoesnotlooksobadwhen________(sweep)clean.
Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
Themorewelookedatthepicture,________.
Wooddoesnotconductelectricity;________.
Herefusedtotelluswhetherhe________(undertake)thejob.
Hotmetal________asitgrowscooler.