Need Help-Subbing for English Class tomorrow.?

Don't worry, the teacher won't expect you to know the answers to the questions. It would be really wrong for him to expect you to have read the book when he's out at the last minute! (And even if he wasn't, the sub still isn't expected to know the answers for something like this). He will either leave you an answer key or will just tell you to collect the papers and he will grade them when he comes back.