基本信息
1．a. by plane. b. by train. c. by car. d. by boat.
2. a. $45b. $30c. $15d. $60
3. a. in a post office. b. at an airport.
c. in a hospital. d. at a railway station.
4.a. an english textbook.b. a history book.
c. a chinese textbook.d. a chemistry book.
