What are they doing?
They're gluing.
What are they doing?
They're watching a DVD.
What are they doing?
They're counting.
What's she doing?
She's using the computer.
What are they doing?
They're listening.
What's he doing?
He's colouring.
What are they doing?
They're writing.
What are they doing?
They're reading.
What are they doing?
They're playing a game.
What's she doing?
She's cutting.