Answer:For #3, it would be the third option
For #4, it would be leave
Explanation:
For #3, batteries is the correct option because battery's is meaning like battery is , which isn't what we are doing.
For #4, it would be leave. Be leaving doesn't really sound true and leave is the more approved answer.
I think it would be B because it tells the reader more about the characters.
Answer::
the guide,stopping in his tracks,realizes the truth.
Catch the reader's attention with a hook and the story should be very interesting like thriller, romance, horror and thing that seems eye-catching to some readers (Everyone has their own different genre that they like and dislike). Use good grammar.
OR
You can do something, vignette. And probably end it with a cliff-hangers, its fun hearing people saying "Oh! When you gonna make more of that. I wanna be the first one to see it!"