本课程为收费课程，购买后即可观看完整内容
-
- 00:00 付费1、Unit1 My school bag
- 00:00 付费2、Unit2 Yes or no
- 00:00 付费3、Unit3 Family members
- 00:00 付费4、Unit4 Time
- 00:00
付费5、Unit5 Plus and minus - 00:00 付费6、Unit6 Review and check
- 00:00 付费7、Unit7 Where
- 00:00 付费8、Unit8 I am hungry
- 00:00 付费9、Unit9 Shopping
- 00:00 付费10、Unit10 Do you play
- 00:00 付费11、Unit11 A good idea
- 00:00 付费12、Unit12 Review and check