Thosewho’dliketovisittheexhibition________(sign)yournameshere.
Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
ComradeLi________beinBeijingbecauseIsawhimintownonlyafewminutesago.
heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
Themorewelookedatthepicture,________.
Thefloordoesnotlooksobadwhen________(sweep)clean.