What are they doing?
They are skating.
What are they doing?
They are singing.
What is she doing?
She's riding a horse.
What is he doing?
He's hitting a ball./ He's playing tennis.
What is she doing?
She's playing hopscotch.
What are they doing?
They are playing hide and seek.
What is he doing?
He's skating.
What are they doing?
They are skipping the rope.
What is he doing?
He's throwing a water ballon.
What is she doing?
She's catching a water ballon.
What are they doing?
They are playing tag.
What is he doing?
He is climbing.
What is he doing?
He's riding a bike.
What are they doing?
They are running.
What is the girl doing?
She's kicking the ball.