文档介绍：Unit 4 At the farm Read and write 界首市田营小学 段影梅 Let’s get on the bus and go to Old MacDonald’s farm（农场）. 我们坐上车去Old MacDonald 的农场吧。 Listen and Guess What’s this? It’s a …. What are they? look! They are pigs. s What are they? look! They are ducks. s They are What are they？ horses. sheep’s family father sheep mother sheep ? sheep’s family lamb father sheep mother sheep