I have _______ green apple. A.some B. a C. an
有人递给你东西,你要说: A.I’m sorry B.OK C.Thanks
USA代表的国家是________. A.美国 B英国 C.加拿大
当你正在找玩具汽车时, 应说: ______. A.Where is my taxi? B. Where is my car? C. This is my car.