12. C. will buy
13. D. knew
14. B. were
15. B. would have missed
16. D. were/ would buy
17. C. will give/ need
18. B. had/ wouldn't have to
19. C. If I were you, I would stop smoking.
20. C. If we had had time, we would have visited the museum.
21. D. Unless
22. B. keep
23. C. hear
24. D. If he had studied more
25. C. would have bought
26. B. I will not get lost
27. B. are not protected
28. A. If
29. A. would have never believed
30. C. hadn't agreed
31. A. spoke
32. A. answer
33. B. unless
34. B. Had she gone abroad, she would have let you know.
35. B. Were I to live nearer the centre, I wouldn't be always late.
36. C. If he knew how to prepare for a presentation, he would feel confident.
