Tom: Come and see my room, Jack.
Jack: OK. Oh, your room is tidy!
Tom: Thank you. I always clean my room. It is interesting to me.
Jack: Oh, you have five baseballs and four baseball bats. Do you like baseball?
Tom: Yes, I do.
Jack: That's great. My friend David likes baseball, too. You can play it with(……一起) him.
Tom: OK. Let's go and find him.