Ответ:
2) Many.
3) Much.
4) Many.
5) Many
6) Much
7) Much.
8) Many
Объяснение:
1) Many употребляется только с исчисляемыми существительными во множественном числе:
There are many children in the park.
There are many expensive cars in front of that house.
There are three bottles of milk in the fridge.
2) Much употребляется только с неисчисляемыми существительными:
There is much salt in the soup.
There is much orange juice on the floor.