What's she doing?
She's playing thr guitar.
What's he doing?
He's playing football.
What's she doing?
She's jumping.
What's she doing?
She's walking.
What's she doing?
She's playing volleyball.
What's he doing?
He's running.
What is he doing?
He's swimming.
What's she doing?
She's riding a horse.
What's he doing?
He's riding a bike.
What's he doing?
He's climbing.