Lesson 15 These are pigs._第一课时_县级一等奖
Lesson 15 These are pigs._第一课时_县级一等奖
Lesson 15 These are pigs._第二课时_县级一等奖
Lesson 15 These are pigs._第一课时_县级一等奖
Lesson 15 These are pigs._第二课时_优质课
Lesson 15 These are pigs._第三课时_优质课
Lesson 15 These are pigs._第一课时_优质课
Lesson 15 These are pigs._第一课时_优质课