What's he doing?
He's flying a kite.
What's she doing?
She's riding a bike.
What's she doing?
She's jumping.
What's he doing?
He's hitting a ball.
What's she doing?
She's running.
What's he doing?
He's sleeping.
What's he doing?
He's kicking a ball.
What's she doing?
She's throwing a ball.