1. she (quick) writes the letter. 2. tom is a (bad) boy. 3. susan and sara are (pretty) girls. 4. her dog barks (loud). 5. you sing the song (good) 6. it's a (hot) day today. 7. they can (easy) open this door. 8. the class is (terrible) loud this afternoon. 9. my neighbour is a (careful) driver. 10. he reads the tale (fast).
2 bad
3 pretty/ the prettiest
4 loudly
5 well
6 hot
7 easily
8 terribly
9 careful
10 fastly