In the past, people (1) ………. to throw away waste paper, garbage, drink cans, glass, bottles, car tires, etc. But since we ran out of the natural (2) ……….., governments have encouraged their citizen to save the earth by (3) ……………. new things from the old ones. Nowadays, there (4)......... many companies which collect and buy old things from many houses and then sell them to other special companies to recycled. Therefore, it is not very surprising to know that people wear shoes made from old car tires; farmers (5)......... plants for their animals and use the dung for fertilizing their field. This is an useful way to save money for the people and their country. 1. A. get used B. used C. are used 2. A. resources B.disaster C. fertilizers D.minerals 3. A. recycling B. reusing C. making D. producing 4. A. appearance B.disappear C. appear D. dissapearance 5. A. plant B. raise C. feed D. grow