单项选择题
A.Vast. B.Useless. C.Crowded. D.Wide.
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.
A.A policeman shot a young man. B.Criminality decreased. C.Two citizens were killed. D.Two girls were killed because they were with two members of another gang.