Four things to do while proofreading are to check your spelling, grammar, punctuation, and capitalization.
Your question isn't very detailed, if this isn't what you're looking for, please feel free to put in more detail.
4. I was late because there was a lot of traffic
The answer is true i know it because i just took a test about that.
Answer:
Since its an opinion question you can say something like this: "It does concern me as some people may be falsely accused of crimes they haven't committed, as cases and scenarios of those have occurred. Before its too late to prove innocence the inmate would have already been executed."
Exposition:
Often Provides background info on characters, explains things that happened before the story began.
Rising action: Reveals the point of view,
Falling action: Occurs after climax and Conflicts begin to be worked out and tensions lessen