26. three to four
27. entertain
28. important
29. information
30. lower
31. F
32. F
33. T
34. T
35. T
36. Ho Chi Minh city is the most crowded city in Viet Nam.
37. This is the first time I have visited this beautiful place .
38. We never have won a big match before.
39. I have not seen him for 2 weeks.
40. I have learnt English since 2000 .