Unit 1 The train is going up a hill,Module 8,二年级英语下册 Module 8 Unit 1 The train is going up a hill课件2 外研版（一起）-外研级下册英语课件,at the station,train station,bus station,二年级英语下册 Module 8 Unit 1 The train is going up a hill课件2 外研版（一起）-外研级下册英语课件,The train is going up a hill,a hill,二年级英语下册 Module 8 Unit 1 The train is going up a hill课件2 外研版（一起）-外研级下册英语课件,The train is going down a hill,a hill,二年级英语下册 Module 8 Unit 1 The train is going up a hill课件2 外研版（一起）-外研级下册英语课件,up-down happy-sad big-small tall-short long-
