Unit 16 On the London Eye 在伦敦眼上 Lesson 31 Lesson 32 Unit 17 Smile， please! 笑一笑! Lesson 33 Lesson 34 Unit 18 Men can cook, too! 男人也能做饭！ Lesson 35 Lesson 36 Unit 19 You must eat! 你必须吃！ Lesson 37 Lesson 38 Unit 20 What a surprise! 好一个意外！ Lesson 39 Lesson 40 Unit 21 Breakfast blues 早餐忧郁 Lesson 41 Lesson 42 Unit 22 Watching the neighbours 观察邻居们 Lesson 43 Lesson 44 Unit 23 An expensive camera 一架昂贵的照相机 Lesson 45 Lesson 46 Unit 24 A light dinner 一顿清淡的晚餐 Lesson 4T Lesson 48 Unit 25 The weekend shopping 周末购物 Lesson 49 Lesson 50 Unit 26 A self-service restaurant 一家自助餐厅 Lesson 51 Lesson 52 Unit 27 Toothache 牙痛 Lesson 53 Lesson 54 Unit 28 Every day is different! 每一天都不同！ Lesson 55 Lesson 56 Unit 29 Many happy returns of the day! 长命百岁！ Lesson 57 Lesson 58 Unit 30 An international event 国际比赛 Lesson 59 Lesson 60 Rhymes and Songs Numbers Vocabulary Appendix
