Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
Howlong________they________(dig)theditch?
Herefusedtotelluswhetherhe________(undertake)thejob.
Hardlyhadhefinishedhisspeech________theaudiencestartedcheering.
Iwonderifhecouldgetit________(do)beforetomorrow.
Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.