Ответ:
Ex. 1 :
1. some rice ; 2. an apple; 3. a banana; 4. some butter.
5. some bread; 6. an egg; 7. some milk; 8. some water; 9. some potatoes.
Ex. 2
1. some juice; some juice.
2. some bread.
3. any flowers; any flowers.
4. any jam; some jam.
Ex. 3 :
1. How many
2. how much
3. how much
4. how many players
5. how many eggs
6. how much cheese
Ex. 4 :
в четвертом задании не понял суть.