Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
Hotmetal________asitgrowscooler.
heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
Ihavebeenstudyinghereforfouryears,bynextsummerI________.
Night________(fall),wehurriedhome.
Herefusedtotelluswhetherhe________(undertake)thejob.
