1. This is the (interesting) interesting  book I have ever read
2. A holiday by the sea is (good) better . than that in the mountains
3. She greeted me (polite) to polite  of all
4. He had an accident last year. Now, he drives (careful) more carefull .than before
5. It is strange but often a coke is (expensive) more expensive than a beer
6. This girl dances (graceful) gracefully of all
7. He was the ( cleaver) most cleaver thief of all.
8. Jim can run (fast) faster than John
9. The more you eat, the (fat) fatter you become
10. Our team played (bad) badly of all.