What is the dog doing?
It's reading (a book).
What are they doing?
They are sleeping.
What is it doing?
It is catching a ball.
What is he doing?
He is playing computer games.
What is he doing?
He is dancing.
What is she doing?
She is listening to music.
What are you doing?
I'm playing tennis.
What are they doing?
They are running.
What is he doing?
He is riding a horse.
What is it doing?
It is swimming.
What are you doing?
I'm cooking.
What is he doing?
He is singing.