Unit 1 It's warm in spring.
Unit 2 Four seasons
Unit 3 It rarely snows here
Unit 4 Revision
Unit 5 I go to school by bus.
Unit 6 He goes to school at half pastseven
Unit 7 What do you often do in summer?
Unit 8 Revision
Unit 9 When is our National Day?
Unit 10 How do you usually celebrate National Day?
Unit 11 I'm going to take a lot of photos
Unit 12 Revision
Unit 13 She is going to the supermarket this morning
Unit 14 What are you going to do this Saturday?
Unit 15 Where are you going?
Unit 16 Revision
Appendix Vocabulary