- 免费 课时1：Chapter 9.1 Natural World 37:06
- 免费 课时2：Chapter 9.2 Natural World 37:38
- 课时3：Chapter 10.1 Making Contact 36:34
- 课时4：Chapter 10.2 Making Contact 32:32
- 课时5：Chapter 11.1 Money matters 44:00
- 课时6：Chapter 11.2 Money matters 37:35
- 课时7：Chapter 12.1 School and Beyond 34:50
- 课时8：Chapter 12.2 School and Beyond 34:13
- 课时9：chapter 13.1 Explain that 33:56
- 课时10：chapter 13.2 Explain that 32:55
- 课时11：Chapter 14.1 Ideal Job 35:26
- 课时12：Chapter 14.2 Ideal Job 2 33:07
- 课时13：Chapter 15 Moods and Memories 37:32
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