What's this?
This is a window.
What's this?
This is a television.
What's this?
This is a clock.
What's this?
This is a door.
What's this?
This is a pen.
What's this?
This is a blackboard.
What's this?
This is a computer.
What's this?
This is a pencil.
What's this?
This is a desk.
What's this?
This is a ruler.
What's this?
This is a light.
What's this?
This is an eraser
What's this?
This is a pencil sharpener.
What's this?
This is a pencil case.
What's this?
This is a fan.