Themorewelookedatthepicture,________.
A、thelesswelikedit________(fail)severaltimes,theyneedsomeencouragement.
Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.
Howlong________they________(dig)theditch?
Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
Thosewho’dliketovisittheexhibition________(sign)yournameshere.
