What is he doing?
He is brushing his teeth.
What is she doing?
She is riding a bike.
What is he doing?
He is swimming.
What is she doing?
She is sleeping.
What is he doing?
He is drawing.
What is she doing?
She is drinking.
What is he doing?
He is playing.
What is she doing?
She is reading a book.
What is he doing?
He is eating.