Ответ:

1 much

2 a lot of

3 none

4 enough money

5 any

6 too much

7 a little

8 too much

9 too many

10 too

11 safe enough

12 too much

13 too much

14 enough experience

15 too many

16 a few

17 too

18 very little

19 too much

20 too many