完成对话（每句话1分，共5分）
Tony: How many people are there in your family?
Betty: _________________________.
Tony: Have you got any grandparents?
Betty: _________________________________.
Tony: Where do they live?
Betty: ___________________________________.
Tony: __________________________________.
Betty: Yes. My father has got a sister. And my mother has got a brother.
Tony: ________________________________.
Betty: Yes, I have got a dog at home. I like it very much.