- 09-27Lesson 143 A walk through the woods 林中散步
- 09-27Lesson 141 Sally's first train ride 萨莉第一交乘火车旅行
- 09-27Lesson 139 Is that you, John? 是你吗，约翰？
- 09-27Lesson 137 A pleasant dream 美好的梦
- 09-27Lesson 135 The latest report 最新消息
- 09-27Lesson 133 Sensational news! 爆炸性新闻！
- 09-27Lesson 131 Don't be so sure ! 别那么肯定！
- 09-27Lesson 129 Seventy miles an hour 时速70英里
- 09-27Lesson 60 Too early and too late 太早和太晚
- 09-27Lesson 59 Collecting 收藏
- 09-27Lesson 58 A spot of bother 一点儿小麻烦
- 09-27Lesson 57 Back in the old country 重返故里
- 09-27Lesson 56 Our neighbour, the river 河流，我们的邻居
- 09-27Lesson 55 From the earth: Greetings 来自地球的问候
- 09-27Lesson 54 Instinct or cleverness? 是本能还是机智
- 09-27Lesson 53 In the public interest 为了公众的利益
- 09-26Lesson 48 Planning a share portfolio 规划股份投资
- 09-26Lesson 47 The great escape 大逃亡
- 09-26Lesson 46 Hobbies业余爱好
- 09-26Lesson 45 Of men and galaxies人和星系
- 09-26Lesson 44 Patterns of culture文化的模式
- 09-26Lesson 43 Are there strangers in space?宇宙中有外星人吗？
- 09-26Lesson 42 Recording an earthquake记录地震
- 09-26Lesson 41 Training elephants训练大象
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