根据对话情境，从右边的方框中选择恰当的句子补全对话，并将其序号填写在相应横上。

A. Cool! I like it. B. Very well, thanks. C. OK! D. Let's eat. E. You're welcome.

A: Hi, Lucy! How are you?

B:  .

A: Look! I have a duck.

B: .

A: Thanks.

B: I have some cakes.

A: Thank you.

B:

A: Let's play with the duck.

B: