1. If I _________ a camera with me yesterday, I would have taken some photos.

2. _________ it not for his timely warning, we would have been in great danger.

3. You can't enter the room _________ you have the password.

4. If he _________ better in the interview, he would have the job now.

5. _________ you see Jane at the party, please give her my regards.

6. If water is heated to 100 degrees, it _________.

7. I _________ to the cinema tonight if I didn't have so much homework.

8. _________ for the rain, the garden party would have been a great success.

9. If you _________ your seatbelt, you wouldn't have been injured so badly.

10. Were I _________ enough money, I would buy that luxury villa.

11. I _________ that mistake if I had been more careful last time.

12. Had the medicine _________ on time, his life could have been saved.

13. Unless you _________ quiet, the baby will wake up.

14. If they _________ more attention last week, they would understand the lesson now.

15. _________ you need any technical support, call our hotline.

16. Supposing you _________ a ghost, what would you do?

17. If he _________ the lottery, he would give up his job.

18. What _________ if you hadn't been accepted to university?

19. _________ for her encouragement, he wouldn't be a famous artist now.

20. If I _________ the time, I will help you with your project.

21. Should the guest _________ early, please show him to the waiting room.

22. If the team _________ harder last year, they would be in the finals now.

23. _________ I you, I would think twice before quitting the job.

24. Write down his number _________ you forget it.

25. If I _________ so much coffee last night, I wouldn't feel so nervous now.