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- 00:00 免费1、Lesson 1 What is she doing
- 00:00 付费2、Lesson 2 Don't be late next ...
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付费3、Lesson 3 A computer has a ke ... - 00:00 付费4、Lesson 4 Does Jim like swimm ...
- 00:00 付费5、Lesson 5 What does he like
- 00:00 付费6、Lesson 7 What would you like ...
- 00:00 付费7、Lesson 8 Would you like some ...
- 00:00 付费8、Lesson 9 How many cakes do y ...
- 00:00 付费9、Lesson 10 There is a horse u ...
- 00:00 付费10、Lesson 11 There isn't any b ...