Answer:
1. If it rains tomorrow, we will stay indoors and watch movies all day.
2. She will be late for the meeting if she doesn't leave home in the next 10 minutes.
3. If you study hard, you will pass the exam with flying colors.
4. He won't be able to attend the party if he doesn't finish his work on time.
5. If the traffic is heavy, we may miss our flight.
6. I will buy a new car if I get a promotion at work.
7. If you don't water the plants, they will die.
8. If they don't hurry, they will miss the beginning of the concert.
9. We won't have dessert if you don't finish your dinner.
10. If you save money consistently, you will be able to afford a dream vacation in the future.