3.
补全对话，每空一词。
Dan: You're working hard, George. What are you doing?
George: I'm a bookcase. Give me that hammer please, Dan.
Dan: Which ? This one?
George: No, not that one. The big one.
Dan: you are.
George: Thanks, Dan.
Dan: What are you going to do now, George?
George: I'm going to it.
Dan: What colour are you going to paint it?
George: I'm going to paint pink.
Dan: Pink!
George: This bookcase isn't for me. It's my daughter, Susan. Pink's her colour.
