What's he doing?
Look at the computer.
What's he doing?
Touch the peg.
What's this?
It's a window.
What's this?
It's a peg.
What's this?
It's a board.
What's this?
It's a computer.
What's she doing?
Put on your bag.
What's he doing?
Knock on the door.
What's this?
It's a door.
What's this?
It's a bag.