What's he doing?
He's writing.
What are they doing?
They're dancing.
What's she doing?
She's reading books.
What's she doing?
She's singing.
What are they doing?
They're playing games.
What's she doing?
She's swimming.
What's the plane doing?
It's flying.
What are they doing?
They're watching TV.
What's he doing?
He's cooking.
What's he doing?
He's listening to music.
What's he doing?
He's running.
What's she doing?
She's eating.
What's he doing?
He's climbing a tree.
What's she doing?
She's drinking.
What's he doing?
He's sleeping.