What is she doing?
She's playing computer games.
What is she doing?
She's jumping.
What's she doing?
She's walking.
What is he doing?
He's reading a book.
What is he doing?
He's running.
What is he doing?
He's swimming.
What is she doing?
She's watching TV.
What is he doing?
He's climbing a tree.
What is she doing?
She's riding a horse.