What is he/she doing?
He/she is watching TV
What is he/she doing?
He is cooking
What is he/she doing?
She's playing the guitar
What is he/she doing?
She's skateboarding
What is he/she doing?
She's playing computer games
What is he/she doing?
She's riding a scooter
What is he/she doing?
He's riding a bike
What is he/she doing?
He/she is skiing