(a) 1. How many.
2. How much.
3. How much.
4. How many.
5. How many.
6. How much.
7. How many.
8. How much.
(b) 1. I eat much fruit.
2. Do you drink much water?
3. We don’t buy many vegetables.
4. A. How much meat do you eat?
B. None. I am a vegetarian.
5. I eat quite a lot of fish.
6. A. How much exercise do you do?
B. Not much