What's that?
It's a desk.
What's this?
It's a CD player.
What's this?
It's a chair.
Sorry I'm late.
That's OK.
What's that?
It's a clock.
What's that?
It's a door.
What's that?
It's a board.
What's this?
It's a computer.
What's this?
It's a trash can.