【正文】
paper. We can use both sides of every piece of paper, especially when we are making notes. We can choose drinks in bottles instead of those in paper packets. We can also use cotton handkerchiefs and not paper ones. When we go shopping, we can use fewer paper bags. If the shop assistant does give us a paper bag, we can save it and reuse it later. If we all think carefully, we can help protect trees. But we should do it now, before it is too late. A. Now paper still es from trees. B. Everyone can help to save paper. C. However, people in China began to use paper money in the 7th century. D. He took the wood from trees and made it into paper. E. So how can we save paper? F. Paper is made from trees. G. China is the first country that use paper money in the 7th century. Answers Ⅰ. 1. shame 2. camera 3. among 4. century 5. check 6. has been 7. have had 8. to buy 9. dishonest 10. truthful Ⅱ. 1. had, for 2. To be honest 3. no longer wear 4. have been。 like