Unit 1 Electronic Devices
Unit 2 Health And Fitness
Unit 3 On The Phone
Unit 4 Household Chores
Unit 5 Environmental Protection
Unit 6 Bargaining For Fun
Unit 7 Affinity
Unit 8 Culture Shock
Unit 9 School Activities
Unit 10 Asking for Directions
Unit 11 Tourist Spots
Unit 12 Studying Abroad