What's happening?
He's playing the guitar
What's happening?
She's listening to music
What's happening?
They're going to the movies
What's happening?
They're reading
What's happening?
He's playing computer games.
What's happening?
She's watching TV
What's happening?
They're cleaning the house
What's happening?
They're cooking
What's happening?
She's walking
What's happening?
He's studying
What's happening?
They're exercising
What's happening?
She's shopping