Here are the sentences completed with the comparative forms of the words:

1. I speak English **more fluently** now than last year.
2. She greeted me **more politely** than her sisters who said “hey” to me.
3. She smiled **more happily** than before.
4. This girl dances **more gracefully** than others.
5. Bob ran **farther** than his classmates.
6. Could you write **more clearly**? I cannot read your handwriting.
7. The new mechanic checked the car **more thoroughly** than the old mechanic.
8. You should do your homework **more regularly** to improve your skills.
9. Jack was **stronger**, so he kicked the ball than Mike.
10. Modern cars run **more quietly** than those in the past.