Its is possesive whereas it's means it is. It is not too late to enroll in the camp. therefore, It's is the answer.
An imagined state basically. Usually dark and mysterious
Answer:
wt type of questions is this I didn't understand (٥↼_↼)(─.─||)
I haven't read the story, but from what you have given us, I think the sentence beginning "His father had been a postal worker ... ". His father is proud of what is likely his one accomplishment and models most of his life on that one event. The last sentence might be a choice, but it tells you more about the Greg than it does his father.