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- 14:04 免费1、Unit 1 A new classmate
- 11:57 付费2、Unit 2 Calendars
- 00:00 付费3、Unit 3 Where's Norman's tick ...
- 00:00 付费4、Unit 4 What's going on
- 00:00 付费5、Unit 5 The noisy band
- 00:00 付费6、Unit 6 How does it feel
- 00:00 付费7、Unit 7 What about yours
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付费8、Unit 8 What's the weather li ... - 00:00 付费9、Unit 9 What are you going to ...
- 00:00 付费10、Unit 10 It is going to rain ...
- 00:00 付费11、Unit 11 My tail
- 00:00 付费12、Unit 12 Sandy's homework