Choose the correct options in section 3.

1. I'll be happy if I pass the exam. 2. If Dad lends me the money, I'll be able to buy an MP3 player. 3. I'll tell your parents if you do that again. 4. If we miss the next bus, we won't get there in time. 5. She'll be upset if you don't send her a birthday card. 6. We'll go for a walk if it stops raining. 7. If you go to the doctor, he'll give you some medicine. 8. We will celebrate if we win the match tomorrow.