I believe it is 'His hat matched the color of her dress,' because that is the only passive sentence.
Answer: Because they're scared of showing weakness
Explanation: Now this one may seem a bit out og the ball park but when I was in school, people just always stuck with a certain crowd. Everytime they weren't with the rest, their weaknesses would show.
Service is being an active helper in the community and taking action that can be of benefit.
Repartee=often witty and cheeky: an example;
Teacher: Did you finish your homework?
student: yes
Teacher: wow, I'm surprised.