Answer:
what exactly do we have to do in this question of your
The answers are:
1) C - sweeter
2) C - the youngest
3) A - louder
4) A - a less expensive
5) D - the worst
6) A - earlier
7) B - further
8) A - more red
9) D - more slowly
10) B - less likely
11) D - quicker; more probable
12) C - later; louder