What are they doing?
They are scuba diving
What is he doing?
He is ice-skating
What are they doing?
They are surfing
What is she doing?
She is water skiing
What is he doing?
He is horse riding
What are they doing?
They are hiking
What is he doing?
He is skiing
what are they doing?
They are sky diving
What's he doing?
He is fishing
What are they doing?
They are camping
What are they doing?
They are sailing
What are they doing?
They are skateboarding
What are they doing?
They are rollerskating
What is he doing?
He is snowboarding
What are they doing?
They are (rock) climbing
What are they doing?
They are wind surfing
What are they doing
They are cycling (riding a bike)