完成对话从方框中选择正确选项, 并将其字母写在对话下面的横线上。（方框中有两项是多余的）

A. Is it made of clay? B. What's wrong with you? C. Where was it made? D. It is broken. E. They are an old teapot and some old books. F. It was made a long time ago. G. You'd better not throw it away.

A: You look unhappy. .

B: I argued with my parents.

A: I don't think it's polite.

B: I think so. But my parents didn't allow me to throw some old things away.

A: What are they?

B: .

A: A teapot in your house?

B: Yes. My grandfather used to drink tea with it.

A: .

B: Yes.

A: It will be more and more valuable in the future.

B: All right. I have no knowledge about old things. Many thanks.

A: You're welcome.