阅读对话,根据对话内容选择正确的答案。
Father: Here's a box for you, dear!
Lily: It's very beautiful. What's in it?
Mother: Open it and see.
Lily: A dress! Oh, it's so nice! Why, Mum?
Father and mother: It's your birthday. Happy birthday to you!
Lily: Oh, I forget it. What's the date today?
Mother: It's August 15th. We'd like to take you to the park.
Lily: Thank you! Can I have a party, too?
Father: Of course. What else would you like?
Lily: I'd like a big birthday cake, some fruit and drinks. And I'd like to invite my friends to the party, too.
Mother: OK! It's up to you, dear.