1. Did they hear a noise in the living room?
Who heard a noise in the living room?
Where did they hear a noise?
Did they hear a noise in the living room or in the kitchen?
They heard a noise in the living room, didn't they?
2. Has he found ...?
Who has found ...?
What has he found near the shop?
Has he found two black kittens or three white puppies near the shop?
He has found ... the shop, hasn't he?
3. Do you give your any pocket money every morning?
Who gives money your son every morning?
What do you give your son every morning?
Do you give your son pocket money or presents every morning?
Every morning I give ... money. don't I?