Mn giúp e từ câu 12 đến 36 nha thank mn ạ

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.