用方框中所给的选项补全对话。

A. What's in it? B. What color is your schoolbag? C. May I have a look ? D. How many storybooks do you have? E. I have a new schoolbag.

John: Hello, Bai Ling.

Bai Ling: Really?

John: Sure. Here you are.

Bai Ling: Wow! It is a panda.How nice!

John: Thank you! My bag is black and white.

Bai Ling: It's pink. It is heavy.

John:

Bai Ling: There are many books.

John:

Bai Ling: One,two,three... Sorry, too many.