A. Read the text below and decide which answer- a, b, c or d - best fits each space. In the 1972 the Australian government (36) ______ a quota system which allowed a (n) (37) ______ number of kangaroos to be killed or 'culled' every year. Legislation was introduced because farmers claimed that the kangaroos were (38) ______ their crops. The problem is that (39) ______ two and a half million kangaroos can be killed legally each year, a futher two and a half million are killed illegally. The animals are killed for a variety of (40) ______. The main one, however, is that kangaroo meat is sold for human (41) ______ usually in the (42) ______ of steaks - or is used as pet food. There are also thousands of dollars to be made (43) ______ the sale of their skins. The environmental group Greenpeace and Australia's Animal Liberation (AAL) are now campaigning for a ban (44) ______ the sale of all kangaroo products. They (45) ______ that this will stop unscrupulous farmers killing the animal for (46) ______. A spokesperson for AAL said, ‘People aren't concerned because there are still (47) ______ six million kangaroos in Australia so they are (48) ______ an endangered species. People just don't care about (49) ______ like this unless there is a real threat. But we know certain types have already become extinct in some areas. We must act now (50) ______ it is too late. 36. a. introduced b. produced c. turned out d. offered 37. a. approximate b. certain c. estimated d. unknown 38. a. enriching b. injuring c. ruining d. spoiling 39. a. while b. because c. when d. unless 40. a. results b. pretexts c. excuses d. reasons 41. a. consumption b. need c. employment d. usage 42. a. shape b. disguise c. form d. figure 43. a. by b. during c. for d. from 44. a. on b. of c. for d. against 45. a. claim b. hope c. wonder d. consider 46. a. interest b. profit c. benefit d. advantage 47. a. exceedingly b. another c. over d. above 48. a. never b. hardly c. seldom d. unlikely 49. a. issues b. tasks c. duties d. cases 50. a. when b. unless c. until d. before