Ответ:

1. If they offer me the job, I'll take it.
2. I'll have a party if I pass my exam.
3. If you don't use sun cream, you'll get burnt.
4. I'll be late for work if I don't get up now.
5. If we don't invite her, she'll be upset.
6. If I see John, I'll not tell him about the party.
7. You'll not have any money left if you buy those jeans.
8. If we don't leave now, we'll be late.