补全对话

A. I'll do the cleaning every day for him. B. I don't think they are very good pets. C. Can you buy me one? D. You should pay more attention to your studies. E. What's your favourite animal? F. What's more, do you think you can take good care of him? G. I'm sorry to hear that.

A: Mum! Look at these birds. They are so beautiful.

B: No, honey.  They may get the floor very dirty.

A: Please, Mum. I want one. Please, please!

B: OK. Don't forget what you've just said.

A: Mum, I promise I'll take good care of him.

B: I'll buy one for you. But you shouldn't spend too much time on him. 

A: Thank you, Mum. Don't worry. I'll just play with him after I finish doing my homework.