Not enough info, but I guess you should revise and edit your writing
Hope this helps out!
It's usually based on their form of writing. If they're targeting teens they tend to use slang words.
The answer is the fourth one.
Answer:
The array of decorations highlighted the ambience of the party.
Explanation:
1. [neither] the black [nor] the gray dress one looks right on me.
2. he [and] his brother both are wrong.
3. he is very smart [so] always first in class.
4. we are very rich because a hard work of my father.
5. it's very hot but good for health