【题目】选择正确的答案补全对话。
A. buy B.help C.are D.kind E.heart-shaped
Lily: Excuse me. Can I 1._____you?
Lucy: Yes, I want to 2._______a birthday cake.
Lily: What 3.____ of cake would you like?
Lucy: I want to buy a heart-shaped cake.
Lily: OK. Here you 4.____.
Lucy: Thank you.