Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.
Tosucceedinascientificresearchproject________.
Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
Night________(fall),wehurriedhome.
Wewerebusy________(get)thingsreadyforthetrialproductionwhenhephonedus.
Hefellasleepimmediatelylastnight;hemust________(be)verytired.