What's he doing?
He's doing Pilates
What's she doing?
She's doing martial arts
What are they doing?
They're going jogging
What's he doing?
He's going swimming
What's she doing?
She's going bowling
What's he doing?
He's playing golf
What are they doing?
They are going bike riding
What are they doing?
They're playing soccer.
What's she doing?
She's playing volleyball
What's she doing?
She's doing yoga