Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.
Tosucceedinascientificresearchproject________.
Howlong________they________(dig)theditch?
Hefellasleepimmediatelylastnight;hemust________(be)verytired.
________(fail)severaltimes,theyneedsomeencouragement.
Thisdiploma(毕业文凭)________thatyouhavecompletedhighschool.