What is she doing?
she's painting
What's he doing?
he's taking photos
What are they doing?
they're playing ice hockey
What's he doing?
he's fishing
What's the person doing?
it's writing (stories, letters, blogs)
What's she doing?
she's reading
what is the person doing?
it's shopping
What's he doing?
he's snowboarding
What are they doing?
they're playing board games
What's this person doing?
it's skiing
What's she doing?
she's running
What's he doing?
he's playing golf
what are they doing?
they're gardening
What's she doing?
she's watching birds ( bird watching)
What's they are doing?
they're playing music instruments
What are they doing?
they're ice skating
What's she doing?
she's listening to music
What are the public doing?
they're watching a play
What sport is he playing?
he's playing basketball
What's she doing?
she's climbing
What's he doing?
he's skateboarding
What are they doing?
they're playing cards
What is this person doing?
it's solving a puzzle (doing a jigsaw / puzzle)
What's he doing?
he's surfing
What's she doing?
she's rollerblading (in-line skating)
What are they doing?
they're watching TV
What are they doing?
they're playing video / computer games
What is this person doing?
it's drawing