2)the biggest
3)longer
4)the fastest
5)faster
6)longest
7)longer
8)tallest
9)tallest
10)taller
11)oldest
12) difficult
13)the best
14)better
15) the most dangerous
16) the most difficult
2)the biggest
3)longer
4)the fastest
5)faster
6)longest
7)longer
8)tallest
9)tallest
10)taller
11)oldest
12) difficult
13)the best
14)better
15) the most dangerous
16) the most difficult