Explanation:
he is starting to act oddly. his works aren't making sense to them. his work is suffering because he is so distracted.
Answer:
Dave's smile
Explanation:
A possessive noun can be formed by simply adding an apostrophe and an s to most nouns!
An expository article is usually about explaining something or talking about it. So if it's a true story and you write it like a life story then yes it can be. If it's just a fictional story you want to write then no.