What's he doing?
He is skipping.
What are they doing?
They are cycling.
What's she doing?
She is skateboarding.
What's she doing?
She is ice skating.
What's he doing?
He is surfing.
What are they doing?
They are playing basketball.
What are they doing?
They are playing chess.
What are they doing?
They are sailing.
What's she doing?
She is playing table tennis.
What are they doing?
They are doing judo.