单项选择题
A.Quickly. B.Ill. C.Immediately. D.Adequately.
A.Problems Facing East African Tourists. B.African Wild Animals Becoming More Dangerous. C.The Increasing Popularity of Game Reserves. D.Some Problems of East African Game Reserves.
A.To stop people from using the land. B.To keep the vegetation under control. C.To reserve it for building development. D.To obtain income from tourism.