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】Alice gave me a doll as a present.（对划线部分提问）

__________ ___________ Alice __________ you as a present?

【3】Danny always feels tired. He has decided to do more exercise.（合并为一句）

Danny always feels tired,____________ he has decided to do more exercise.

【4】We are going to have a lot of delicious food at the party.（对划线部分提问）

How __________ delicious food __________ we going to have at the party?

【5】Helen came to my house at three o'clock yesterday afternoon.（对划线部分提间）

__________ __________ Helen come to your house?