Much, many, little, few, a lot, plenty. Key

87.1
3. a lot of salt 4. Ok 5. It cost a lot 6. OK 7. Many/ a lot of people 8. a lot 9. Ok 10. a lot of money.
87.2
2. plenty of money 3. plenty of room 4. plenty to learn 5. are plenty of things to see 6. There are plenty of hotels.
87.3
2. little 3. many 4. much 5. few 6. little 7. many
87.4
3. a few dollars 4. OK 5. a little time 6. OK 7. a few words 8. a few months
87.5
2. a little 3. a few 4. few 5. little 6. a little 7. little 8. a few.