Why don't u look it up in the dictionary and see ?
Answer:
(1) My school plays today at the other high school.
(2) It had been a long, active day, and we were hungry.
(3) Simon does not like flying in airplanes or riding in elevators.
a. is the most reasonable. if i'm wrong srry.
Answer:
a person's principles or standards of behavior; one's judgment of what is important in life.
