2. She is the most pretty girl I have ever met.
3. That computer doesn't work as well as this one.
4. longer
5. Peter is the tallest student in my class.
6. C
7. hotter
8. C
9. the fastest
10. B
11. The older het gets, the less he want to travel.
12. D
13. more expensive
14. D
15. largest
16. C
17. C
20. C
22. C
23. Her new house is smaller than her old one.
24. No mountain in the world is higher than Mount Everest/
25. D
26. worse
27. the cleverest