Unit 1 Shopping I Unit 2 Shopping II Unit 3 Address Unit 4 Asking Directions Unit 5 At the Airport Unit 6 Traveling I Unit 7 Traveling II Unit 8 Revision I Unit 9 Making a Phone Call I Unit 10 Making a Phone Call II Unit 11 Making an Appointment Unit 12 Acceptance and Refusal Unit 13 Thankfulness and Apology Unit 14 Chinese Festivals Unit 15 Foreign Festivals Unit 16 Farewell Unit 17 Revision II Audio Scripts and Keys
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