八年级下册Unit3Couldyoupleasecleanyourroom?测试题一、选择填空。(15分)()1.--Couldyoupleasesweepthefloor?--_______.Ihavetodomyhomework.A.Yes,sure.B.Whynot?C.Sorry,youcan’tD.Sorry,Ican’t()2.--Coul...