What is he doing?
He is singing.
What is he doing?
He is sleeping.
What is he doing?
He is watching TV.
What is he doing?
He is swimming.
What is he doing?
He is writing.
What is he doing?
He is washing his hands.
What is he doing?
He is walking.
What is he doing?
He is running.
What is he doing?
He is brushing his teeth.
What are they doing?
They are talking.
What is he doing?
He is thinking.
What is he doing?
He is reading.