本课程为收费课程，购买后即可观看完整内容
-
- 00:00 付费15、Lesson15 Goodbye,Earth
- 00:00 付费14、Lesson14 A call from home
- 00:00
付费13、Lesson13 Let us go fishing - 00:00 付费12、Lesson12 In the pond
- 00:00 付费11、Lesson11 On the ranch
- 00:00 付费10、Lesson10 Chicken farm
- 00:00 付费9、Lesson9 The pigs family
- 00:00 付费8、Lesson8 A beehive
- 00:00 付费7、Lesson7 A big dinner
- 00:00 付费6、Lesson6 Picking apples
- 00:00 付费5、Lesson5 I like green fruit
- 00:00 付费4、Lesson4 In the house
- 00:00 付费3、Lesson3 Meeting the family
- 00:00 付费2、Lesson2 On the mountain
- 00:00 免费1、Lesson1 Going to the farm