What's she doing?
She's playing soccer.
What's he doing?
He's riding a horse.
What's he doing?
He's playing basketball.
What's he doing?
He's eating.
What's he doing?
He's taking a photo.
What's he doing?
He's running.
What's he doing?
He's biking / He's riding a bike.
What's she doing?
She's reading.
What's he doing?
He's playing tennis.
What's he doing?
He's dancing.
What's she doing?
She's writing.
What's he doing?
He's drawing.
What's he doing?
He's roller skating.
What's she doing?
She's exercising.
What's she doing?
She's jumping rope.
What's he doing?
He's bowling.
What's he doing?
He's flying a kite.
What's he doing?
He's playing baseball.
What's he doing?
He's drinking water.
What's she doing?
She's sleeping.
What's she doing?
She's cooking.
What's he doing?
He's listening to music.