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- 00:00 免费1、Unit1 the talent show is com ...
- 00:00 付费2、Unit1 the talent show is com ...
- 00:00 付费3、Unit2 can I join you（第一课 ...
- 00:00 付费4、Unit2 can I join you（第二课 ...
- 00:00
付费5、Unit3 You Did Your Best（第 ... - 00:00 付费6、Unit3 You Did Your Best（第 ...
- 00:00 付费7、Unit4 We Usually Eat Pizza o ...
- 00:00 付费8、Unit4 We Usually Eat Pizza o ...
- 00:00 付费9、Unit5 let us eat dumplins(第 ...
- 00:00 付费10、Unit5 let us eat dumplins( ...
- 00:00 付费11、Unit6 I have to go back to ...
- 00:00 付费12、Unit6 I have to go back to ...
- 00:00 付费13、Unit7 a letter from jenny（ ...
- 00:00 付费14、Unit7 a letter from jenny（ ...