Write questions for these answers. Use How much or How many

Write questions for these answers. Use How much or How many.
1. How many people live in this house?
Seven people live in this house.
2. ________________?
There's a kilo of cheese in the fridge.
3. ________________?
He drinks half a litre of milk a day.
4. ________________?
They've got 145 DVDs.
5. ________________?
He reads three books a week.
6. ________________?
There's a litre of water in that bottle.