3: many, too many, many, a lot of, some, enouph, many, too many, fast enouph, enouph
5: how much, a lot, if you want, that's fine, some
5. Choose correct answer (Present Simple / Present Continuous):
1. а
2. с
3. с
4. а
5. с
6. a
7. c
8. a
9. b