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 the 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 Unit 11 I like the Spring Festival best Unit 12 Christmas Irregular verbs 1 Irregular verbs 2 Irregular verbs 3