5、NotatallB.Sorry,Idon’tknowC.GoodbyeD.No,thankyou()17._____,isthatyourkey?A.That’sOKB.Sorry,Idon’tknow.C.ExcusemeD.Allright.()18.Isthishis___egg?A.aB.theC.anD.不填三.改错选出错误的一项,将序号填在括号里并改正。(22分)()1.MayIcomeon,MrGreen?_______ABCD()2.Thisrulerareforyou._______ A B C