Unit 16 Paul emails home 保罗给家里发电子邮件 Lesson 31 Lesson 32 Unit 17 I hope he hasn't told her! 但愿他没有告诉他！ Lesson 33 Lesson 34 Unit 18 Learning the rules! 学习遵守规则！ Lesson 35 Lesson 36 Unit 19 Now is enough! 像现在这样就知识了！ Lesson 37 Lesson 38 Unit 20 There's always a first time! 万事总有头一遭 Lesson 39 Lesson 40 Unit 21 A very big cat 巨猫 Lesson 41 Lesson 42 Unit 22 Does anyone still knit? 还有人织毛衣吗？ Lesson 43 Lesson 44 Unit 23 Whose mistake? 谁的错？ Lesson 45 Lesson 46 Unit 24 No laughing allowed 不许笑 Lesson 47 Lesson 48 Unit 25 Body image 体象 Lesson 49 Lesson 50 Unit 26 Daisy gives some advice 黛西给了些建议 Lesson 51 Lesson 52 Unit 27 Jonno! 朱诺！ Lesson 53 Lesson 54 Unit 28 Monkey business! 猴子的鬼把戏! Lesson 55 Lesson 56 Unit 29 Sparkling ，still or tap？ 苏打水，蒸馏水，还是自来水？ Lesson 57 Lesson 58 Unit 30 we all need to play more 我们都需要多玩一玩 Lesson 59 Lesson 60 Rhymes and songs Vocabulary Appendix
