20. C reach
21. A do you
22. C makes us learn
23. A from
24. D How far
25. A wearing
26. D easily
27. D yourself
28. C more interesting
29. A be
30. B everything
31. C writting
32. B In addition
33. A out of
34. B each
35. A correctly
36. B. they can't carn their own living by farming
37. D farming is now industrialized
38. C so as to improve their earnings
39. A separated from each other by hedges
40. D Cereals are usually grown in the east of England
41. Everyday it takes her 2 hours to learn English
42. I haven't spoken to her for 2 years
43. I wish I could remember the answers to these questions
44. Nam said he had to go to Ha Noi the next day
