What's she doing?
climbing
What are they doing?
playing board games
What sport is he playing?
basketball
What's he doing?
he's surfing
What is this person doing?
drawing
What's she doing?
listening to music
Where's this?
cinema / movie theatre
What's he doing?
taking photos
What are they doing?
watching TV
What's he doing?
skateboarding
What's she doing?
rollerblading / in-line skating
What's she doing?
reading
What is this person doing?
solving a puzzle / doing a jigsaw (puzzle)
What's she doing?
watching birds / bird watching
What's he doing?
he's snowboarding
What's he doing?
fishing
What are they doing?
paying video / computer games
What are they doing?
playing ice hockey
What is she doing?
painting
What are they doing?
they're ice skating
What's she doing?
running
What's this person doing?
skiing
What are they doing?
playing cards
What's this girl doing?
playing the piano
What's he doing?
playing golf