Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
Howlong________they________(dig)theditch?
Ihavebeenstudyinghereforfouryears,bynextsummerI________.
heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
Herefusedtotelluswhetherhe________(undertake)thejob.
You________gonow.It’sgettinglate.