l. B 2. D 3. A 4. C 5. B 6. A 7. C 8. B 9. D 10. A
11. B 12. C 13. B 14. D 15. A 16. C 17. B 18. D 19. B 20. A
21. under 22. red 23. poor 24. GREatest 25. instead
26. reach 27. finish 28. use 29. filled 30. won
31. singing 32. twentieth 33. our 34. wait 35. 'weeks
36. Tlianks, to 37. So, do 38. more, fatter 39. dead, for 40. At, last
41. like 42. as 43. so/very/quite 44. are 45. in
46. month/time 47. go 48. about 49. Why 50. all
51. E 52. B 53. G 54. C 55. A 56. D 57. C 58. B
59. D 60. C 61. A 62. B 63. C 64. A 65:D 66. B
67. C 68. D 69. A 70. C 71. C 72. B 73. D 74. C
75. B 76. B 77. D 78. C 79. D 80. A
One possible version:
Ladies and gentlemen,
Welcome to Guilin. Guilin is in the north of Guangxi. The population in the city of Guilin is over (more than) six hundred thousand (600,000) . Guilin is famous for its beautiful scenery in the world. The hills are GREen and the water is clear. The environment here is clean and tidy. Every year a lot of tourists come to visit Guilin. You can see the scenes of the Li River by boat. You can visit the scenic spots in the city on free buses. I hope you'll enjoy yourselves in Guilin.