Unit 4 At the farmUnit 4 At the farmB.Lets talk&Lets playAre those potatoes?Yes,they are.Are those carrots?No,they arent.horseshensWhat are those?They are horses.What are those?They are hens.FarmWow,a lot of animals.A lot of许多A lot of applesA lot of pearsHomework1.朗读Let talk里的对话2.预习B Lets learn里的内容。