For a boy . I have an exam tomorrow and it 's going to be really hard . Jenn- I had a dream about Bun Bun . I got him at the dollar store . and he ate the floorboards at my house .

Question: Why might I believe the exam tomorrow is going to be hard ?
Answer: Because I might have prepared enough for the exam .Because I might have prepared well for the exam .Because I might not have the exam ready for students .Because I might not have prepared enough for the exam .