What's this?
Turn off the light.
What's this?
Write your name.
What's this?
Turn on the light.
What's this?
Throw away the trash.
What's this?
desk
What's this?
door
What's this?
computer
What's this?
trash can
What's this?
Go to the board.
What's this?
clock
What's this?
Go back to your seat.
What's this?
chair
What's this?
board