Much or many? English grammar exercise.

How	??? many much	time do you need for the homework?
How	??? many much	stars are in the sky?
Tim does't have to	??? many much	time.
How	??? many much	houses are in your village?
How	??? many much	children work in the class?
How	??? many much	snow can you see?
How	??? many much	light do you need in the garage?