单元自测6(预备知识:Unit 6;10分) 试卷总分:100 得分:100 1.— — The round-trip air fare for a person is only $188. A.How much does the airplane cost B.How much does the trip cost C.What is the exact air fare 2.— Hello. Sky Travel Agency. May I help you — A.Yes, what’s your line …
