What's this?
It's a chair.
What's this?
It's a book
What's this?
It's a back pack
What's this?
It's a shelf./ It's shelves
What's this?
It's a notebook.
What's this?
It's a window
What's this?
It's a stapler.
What's this?
It's a laptop.
What's this?
It's a green board
What's this?
It's a clock
What's this?
It's a pencil sharperner.
What's this?
It's a door