Unit Topic
Unit 1 Passport,Please!
Unit 2 The Line Is Busy!
Unit 3 Places To Go, People To See!
Unit 4 It Suits You!
Unit 5 Sorry, I Am Late!
Unit 6 May I Join You?
Unit 7 Enjoy Your Stay!
Unit 8 Eighteen Candles!
Unit 9 Airmail, Please!
Unit 10 Water-Boiled Fish, Please!
Unit 11 It's Just A Cold!
Unit 12 Your Attention, Please!