A. The Professor
Hope you get it right.
14 Bandit
7 Carpet
3 Copy
12 Cycle
4 Floor
15 Hermit
2 Idea
11 Lunar
8 Marker
19 Mathematician
18 Mathematics
1 Missed
21 Nonrenewable
10 Pardon
9 Party
20 Renewable
16 Sixty
6 Stars
5 Started
17 Symptom
13 Vomit
I think that the answer to this question is B-Cower
I'm guessing your asking for a grammar check? If so then...
After the children left the school bus, they dropped their bags on the front proches of their houses. The children yelled "Hello!" to their mothers and fathers and ran towards the playground to play tag with each other.
11. The sentence is correct