What is she doing?
She is singing.
What is she doing?
She is walking.
What are they doing?
They are playing baseball.
What is she doing?
She is drawing.
What are they doing?
They are playing soccer/football.
What are they doing?
They are studying.
What is she doing?
She is sleeping.
What are they doing?
They are playing tennis.
What is he doing?
He is using a computer.
What are they doing?
They are playing hockey.
What are they doing?
They are playing table tennis.
What is he doing?
He is fishing.
What is he doing?
He is painting.
What are they doing?
They are watching TV/television.
What is he doing?
He is swimming.
What are they doing?
They are playing badminton.
What is he doing?
He is taking a picture/photo.
What is she doing?
She is running.
What is he doing?
He is playing the piano.