Rewrite the following sentences as required（根据所给要求，改写下列句子）
1. I'd like a piece of pizza. （改为一般疑问句）
_____________you____________ a piece of pizza?
2. Peter needs to buy two bottles of milk. （改为否定句）
Peter ____________ ____________to buy two bottles of milk.
3. We are going to sing songs at the party. （对划线部分提问）
____________are you going to____________ at the party?
4. The rice dumplings with meat taste very delicious. （改为感叹句）
____________ ____________the rice dumplings with meat taste！