He fell asleep immediately last night; he must ________ (be) very tired.
have been
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Thisdiploma(毕业文凭)________thatyouhavecompletedhighschool.
________(catch)intherain,hewaswettotheskin.
Herefusedtotelluswhetherhe________(undertake)thejob.
Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.