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