What is he doing?
He is riding the skateboard.
What is he doing?
He is eating
What is he doing?
He is sleeping.
What is she doing?
She is driving the truck.
What is she doing?
He is driving the bus.
What is she doing?
She is swimming.
What is she doing?
She is driving the car.
What is he doing?
He is riding the bicycle.
What is she doing?
She is running.
What is he doing?
He is dancing.