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- 00:00 免费1、Unit 1 What's in your room
- 00:00 付费2、Unit 2 They're near the wind ...
- 00:00 付费3、Unit 3 Welcome to my house
- 00:00 付费4、Unit 4 I live in a big house ...
- 00:00 付费5、Unit 5 Let me show you our n ...
- 00:00 付费6、Unit 6 How many classrooms a ...
- 00:00 付费7、Unit 7 How many stars does e ...
- 00:00 付费8、Unit 8 I like English best
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付费9、Unit 9 Look at this T-shirt - 00:00 付费10、Unit 10 Can I help you
- 00:00 付费11、Unit 11 I want to be a pain ...
- 00:00 付费12、Unit 12 What's your father' ...