Question

Answer 1

1 more fluently

2 more happily

3 earlier

4 later

5 more gracefully

6 louder

7 better

8 more slowly

9 higher 

10 farther

11 more carefully

12 more often

13 faster

14 worse

15 harder

Answer 2

1, more frequently

2, more happily

3, earlier

4, later

5, more gracefully

6
/ louder

7
/ better

8
/ more slowly

9
/ higher

10
/ further

/ more carefully

/ more often

/ faster

/ more badly

/ harder