根据图片提示，完成对话，每空一词。

A: Hello, Nancy.

B: Hello, Lisa. I have a new classroom.

A: How many balls are there in the classroom?

B: There are .

A: there any pictures?

B: Yes, there are two.

A: on the teacher's desk?

B: There is a and two books.

A: Great. Let's go and have a .