根据对话内容，从下面方框中选出恰当的句子补全对话。

A: Hello! This is Sam. 【1】

B: This is Lucy speaking.

A:Lucy,shall we go for a walk along the beach?

B:【2】 I’m busy now.

A:【3】

I am making apple pies.

A: Sounds nice!【4】

B: Thank you. The pies will be ready in 20 minutes. Would you like to try some?

A:【5】 Apple pies are my favourite, you know, I can't wait to eat them!

B: Come now! It will be the right time when you arrive

A: Great! See you soon!

B: See you!

A. What are you doing?

B. May I speak to Lucy?

C. Yes, I’d love to.

D. Oh, I'm afraid I can't.

E. You are really good at cooking.