19. A. an
20. B. But
21. B. consist
22. D. on
23. B. to be
24. A. Customs and main activities of Vietnames New Year
25. C. Festivals
26. D. the Chinese calendar
27. D. Chinese's
28. C, visiting relatives and friends
29. B - to be invited
30. A - would
31. enjoyment
32. boring
33. on having passed the driving test
34. Minh had been careful, he wouldn't have had a terrible accident
35. lived in England for years, he could speak English quite well
36. if they had listened to her, they would have done the test better