2)
7. the most popular
8. highest, higher
9. the most enjoyable
10. more comfortable
11. the quickest
12. the eldest
3)
2. That's the funniest joke I've ever heard.
3. This coffee is the best I've ever tasted.
4. She is the most patient person I've ever met.
5. That's the farthest I've ever run.
6. It's the worst mistake I've ever made.
7. Who is the most famous person you've ever met?