Unit 1 Introduction Unit 2 Greetings and Congratulations Unit 3 Asking the Way Unit 4 Making A Telephone Call Unit 5 Urban Transportation Unit 6 Train Travel Unit 7 air Travel(1) Unit 8 air Travel(2) Unit 9 Highway Travel and Roadside Business Unit 10 Hotel Unit 11 Restaurant Unit 12 Clothing Unit 13 Shopping Unit 14 Post Office Unit 15 Entertainment and Etiquette · · · · · · (收起)