Underline the correct form of the adjective in the parentheses.
1. Amanda is the (faster, fastest) runner I know.
2. Ronald used to be (faster, fastest) than Amanda.
3. Now Ronald tries (harder, hardest) than before.
4. Good sportsmanship is (most important, more important) than winning. 5. I like to run when it is (colder, coldest) than today.
6. Amanda wants to be (most famous, more famous) than any other runner.