Ответ:

• Comparative

1. shorter
2. longer
3. rare
4. more agressive
5. more intelligent
6. better
7. stronger
8. older
9. younger
10. heavier
11. more sociable
12. worse
13. better

• Superlative

1. the biggest
2. the lightest
3. the heaviest
4. the most aggressive
5. the most peaceful
6. the proudest
7. the oldest
8. the youngest
9. the longest
10. the shortest
11. the most adventurous
12. the best
13. the worst
14. the strongest
15. the smallest
16. the most common
17. the best