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- 00:00 免费1、Starter unit Join in again
- 00:00 付费2、Unit 1 A Phone Call(1)
- 00:00 付费3、Unit 1 A Phone Call(2)
- 00:00 付费4、Unit 1 A Phone Call(3)
- 00:00 付费5、Unit 1 A Phone Call(4)
- 00:00 付费6、Unit 1 A Phone Call(5)
- 00:00 付费7、Unit 2 Life in the Arctic(1) ...
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付费8、Unit 2 Life in the Arctic(2) ... - 00:00 付费9、Unit 2 Life in the Arctic(3) ...
- 00:00 付费10、Unit 2 Life in the Arctic(4 ...
- 00:00 付费11、Unit 2 Life in the Arctic(5 ...
- 00:00 付费12、Unit 3 Television(1)
- 00:00 付费13、Unit 3 Television(2)
- 00:00 付费14、Unit 3 Television(3)
- 00:00 付费15、Unit 3 Television(4)
- 00:00 付费16、Unit 3 Television(5)
- 00:00 付费17、Review 1
- 00:00 付费18、Unit 4 In Town(1)
- 00:00 付费19、Unit 4 In Town(2)
- 00:00 付费20、Unit 4 In Town(3)
- 00:00 付费21、Unit 4 In Town(4)
- 00:00 付费22、Unit 4 In Town(5)
- 00:00 付费23、Unit 5 On the beach(1)
- 00:00 付费24、Unit 5 On the beach(2)
- 00:00 付费25、Unit 5 On the beach(3)
- 00:00 付费26、Unit 5 On the beach(4)
- 00:00 付费27、Unit 5 On the beach(5)
- 00:00 付费28、Unit 6 Adventures(1)
- 00:00 付费29、Unit 6 Adventures(2)
- 00:00 付费30、Unit 6 Adventures(3)
- 00:00 付费31、Unit 6 Adventures(4)
- 00:00 付费32、Unit 6 Adventures(5)
- 00:00 付费33、Review 2