What's he doing?
He's hearing a noise
What are they doing?
They're swimming in the sea
What's she doing?
She's driving a car
What's she doing?
She's waiting for a bus
What's he doing?
He's calling / phoning his mum
What are they doing?
They're dancing the tango
What's he doing?
He's singing a song
What's she doing?
She's telling somebody a secret
What's he doing?
He's giving somebody flowers
What are they doing?
They're running a race
What are they doing?
They're playing chess
What's she doing?
She's drawing a picture
What's she doing?
She's taking photos
What are they doing?
They're seeing a film
What's he doing?
He's looking for his keys
What's he doing?
He's using a computer