Is this your book.
Yes, it is.
Is this your eraser?
No, it's not.
Where's the bag?
It's on the desk.
Where's the pen?
It's on the book.
Is this your pencil?
No, it's not.
Is this your pen?
Yes, it is,
Is this your ruler?
Yes, it is.
Is this your marker?
No, it's not.
Where's the apple?
It's under the table.
Where's the book?
It's in the bag.
Where's the cat?
It's in the box.
Where's the book?
It's on the chair.