1. more beautiful
2. older
3. the most difficult
4. the best
5. more dangerous
6. the worst
7. more existing
8. easier
9. cheaper
10. the most
1. Russia is the biggest country in the world
2. Play chess is more boring than play tennis
1. more beautiful
2. older
3. the most difficult
4. the best
5. more dangerous
6. the worst
7. more existing
8. easier
9. cheaper
10. the most
1. Russia is the biggest country in the world
2. Play chess is more boring than play tennis