Unit 4 Bobbys House,This is Bobbys house.Knock on the door.Ken,Welcome to my house. Come in, please,How many rooms can you see in the house,What are they,This is the living room,This is the bedroom. My sister is sleeping,Thats the bathroom. My uncle is washing,river,1.Whats she doing ,2.Whats he doing ,She is sleeping,He is washing,living room,bathroom,room,bedroom,kitchen,This is the bathroom,This is the bedroom,This is the living room,This is the kitchen,Elements,介绍自己的家,能用上本课所学的单词:room,bedroom