单项选择题
It is a huge task to （） all the rooms in the building in such a short time.
A.go ahead with B.keep up C.clean up D.work out
单项选择题 Thirtymilesawayfromthetown，therobbers（）thecaranddisappearedintothewoods.
单项选择题 Itwassometime（）thedooropenedinresponsetohisring.
单项选择题 InthepasttenyearsJackhasbeenwithus.Ithinkhehasprovedthathe（）respectfromeveryoneofus.
