We don't know exactly where the story of Hatchet takes place because Brian is very, very lost. Here's what we do know: Brian's plane comes down somewhere in the North Woods, a vast area that covers much of central Canada<span>.</span>
Answer:
That they would fail without the book. They are not studying because they can just use a book to cheat.
Explanation:
Topic sentence. That's just restating your thesis.