Writing a fictional story is good because you can make it your own. Read what your teacher gives you and continue off of that. To get a “perfect writing” I would say just make sure it makes sense to what the first paragraph talks about. Other than that, there isn’t much to prepare for since the topic is unknown. Just don’t stress too much!
I'm not completely sure about all these, but I'd say that these phrases best support the author's purpose of creating a positive image of a town: 'live in harmony', 'blaze of color', and perhaps 'hillside…
