What is that?
That is a bag.
What is that?
That is a pencil.
What is that?
That is a book.
What is this?
This is an eraser.
What is this?
This is a ruler.
What is that?
That is an eraser.
What is this?
This is a bag.
What is that?
That is a pen.
What is that?
That is a ruler.
What is this?
This is a pencil.
What is this?
This is a pen.
What is this?
This is a book.