补全对话根据所给对话，填写适当的内容，使其完整、正确。

A: Where are my math book and my dictionary, Mom?

B: Are they on the table?

A:

B: Are they on the sofa?

A: Yes, my math book is here.

B: The dictionary?

A: It's red and white.

B: in the bookcase?

A: No. it isn't.

B: Is it on your bed?

A: Thanks, Mom.