Where is the cook?
in the kitchen
What is the cook doing?
He's cooking.
what is it?
fish
Who's he?
the cook
What is he cooking?
he's cooking fish.
What is he doing?
He's eating.
What is he doing doing?
He's drinking.
What are these
knives
What is she doing?
She's working.
What is she doing?
She's playing the violin.