What's he doing?
He's skateboarding.
What are they doing?
They are sliding.
What's it?
It's a motorbike.
What are they doing?
They are driving a car.
What's she doing?
She's riding a motorbike.
What's it?
It's a scooter.
What's he doing?
He's riding a bike.
What's she doing?
She's riding a scooter.
What's it?
It's a skateboard.