Ex 107.1
8 He is one of the richest men in
9 It is one of the oldest castles in
10 She is one of the best players in
11 It was one of the worst experiences in
12 He is one of the most dangerous criminals in
Ex.107.2
3 larger
4 the longest
5 happier
6 the worst
7 the most popular sport
8 the highest- higher