单项选择题
A.MayIopenthedoor？ B.MayIopenthesuitcase？ C.MayIopenthetrunk？ D.MayIopenthewindow？
A.Keepthepay，please B.Keepthechange，please C.Keepthecash，please D.Keepthemoney，please
A.Keepthechange，please B.Beawareofthetraffic C.Here’sthereceipt D.Don’tforgetanything，Please