Exercise 1.
1. faster
2. more attractive
3. thinner
4. heavier
5. more beautiful
6. better
7. slower
8. worse
9. nicer
10. more dangerous
Exercise 2.
1. the longest
2. the easiest
3. the most careful
4. the hottest
5. the most interesting
6. the worst
7. the smallest
8. the littlest
9. the best
10. the cheapest