Look, think and write. 根据图示补全对话。
1.

She is _____ _____ her skipping rope.
2.

A: _____ is it?
B: It's a pen.
A: Where is it?
B: It's _____ the eraser.
3.

— How many dogs are there _____ _____ _____ the house(房子)?
— There are _____.
4.

Please put your book _____ your head.
5.

— Where is Danny?
— He is _____ the desk.