补全对话
(On our school day, our teacher comes to our classroom. )
A: (1)in the room?
B: There are some kinds of robots made by the students in our school.
A: Really? What are they (2) for?
B: The one with blue eyes is a guide robot. She can show you around our school.
A: (3) about the taller one?
B: He is a cook robot. He can cook something nice for you.
A: Oh. I think that's a cleaning robot.
B: Maybe you're right. When he finds waste things, he'll pick them up. He can (4) our environment clean.
A: That's wonderful! What good students! I'm proud of them.
B: So (5) I.