Unit 1 What are those farmers doing
Unit 2 A country life is a healthy life
Unit 3 Where are you from
Unit 4 I like this city very much
Unit 5 What's the matter with you
Unit 6 The secret to good health
Unit 7 What did you do yesterday
Unit 8 A trip to Hong Kong
Unit 9 Was I a good girl back then
Unit 10 Then and now