请根据所提供的首字母完成对话。
1. What a____________ you g____________ to do today?
I a____________ going to p____________ the piano.
2. I____________ he going to buy a new book?
Yes, he is. He is going to b____________ a storybook.
3. W____________ are they going?
They are going to the l____________.
4. A____________ the girls going to d____________ their homework?
No, they a____________.
5. W____________ you m____________ a cake on your birthday?
No, that's difficult. I can buy one.