Wooddoesnotconductelectricity;________.

Thosewho’dliketovisittheexhibition________(sign)yournameshere.

Night________(fall),wehurriedhome.

Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.

heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.