Ответ:
- the fastest
- the best
- the worst
- more popular
- better; younger
- the most
- the most famous
В № 6 получается: I’m the worst in my class; в № 9: he has got the most medals in the team.
В № 6 получается: I’m the worst in my class; в № 9: he has got the most medals in the team.