Lesson 1 I’m thinner than you. Lesson 2 What did you do yesterday? 活动手册 Review 1 Lessons 1-2 Lesson 3 Where did you go on holiday? Lesson 4 He was short before, but now he is tall. 活动手册 Review 2 Lessons 3~4 Review (Lessons 1-4) 测试卷 Words in Each Lesson