Put the adjectives in the superlative of superiority:
1. This choice is (necessary) [?] of all.
2. I am (small) [?] in my class.
3. This product is (natural) [?] possible.
4. She is (tall) [?] in her team.
5. This politician is (popular) [?] that I know.
6. Mount Everest is (high) [?] mountain in the world.