What are they doing?
They're exercising.
What's she doing?
She's feeding the cat.
What's he doing?
He's watching TV.
What's he doing?
He's surfing the internet.
What are they doing?
They're hanging out.
What's she doing?
She's having breakfast.
What's she doing?
She's getting up.
What's she doing?
She's brushing her teeth.
What are they doing?
They're having lessons/classes.
What's she doing?
She's reading a book.
What are they doing?
They're going to school.
What's she doing?
She's doing/washing the dishes.
What are they doing?
They're going shopping.
What are they doing?
They're having dinner/lunch.
What's he doing?
He's going to bed.
What's he doing?
He's getting dressed.
What's she doing?
She's having/taking a shower.
What's she doing?
She's listening to music.
What's she doing?
She's going for a walk.
What's she doing?
She's doing the laundry.
What does he need to do?
He needs to tidy his room.
What are they doing?
They're doing the homework.