Answer:
1) Don’t join the team unless you are willing to work hard, run hard, and play hard.
4) I won’t go home until I’ve finished all my work.
5) Julio finished the box of crackers; therefore, there was nothing left for his brother.
6) No one is at the midwinter dance because everyone went to a concert.
"Quicksand is more than a novel about a person’s search for identity. <span>
It offers a critical commentary on diverse cultural and racial societies—their oppressive institutions, outmoded traditions, false values, and distorted ways of perceiving reality.</span>
..Furthermore, she finds the sensual excesses practiced in Harlem to be repulsive to the values of her moral upbringing. is more than a novel about a person’s search for identityAgain seeking..."
-enotes.com
I believe it's about finding who you are and understanding your values.
Prepositional is a word that expresses a relationship between a noun/pronoun and another word in a sentence. Easier way to put it would be like saying you take a object or noun (ex: home) and also make up a location (ex: in), basically noun relation to a verb.
Example: <u>In my house</u>, you'll find my dog. House relates to where the dog is.