题目内容：

During the 1950s and 1960s, there was a healthy social environment. If you offered（提供） your_______to the old or children, everyone would look up to you.  At that time, being selfless（无私的）, honest and serving people were good, and all people learned_______the hero﹣Lei Feng. Nowadays，_______most people still offer their seats to those in need, we can also find that some young people don't offer their seats. Some drivers often ask,"_______can offer the old your seat?" It usually doesn't work.  As teenagers, what can we do? Every time an old man_______next to me,  I'll stand up to offer my seat. After that I feel_______. Perhaps someone will say you alone can't change the society_______. That's right.  But I do think little things can change the world some day.  I often talk about my idea with my classmates, and they all_______with me. They think that a good environment can be formed with everyone's effort（努力）. Everyone dreams of changing_______world, so let's take actions,  like________up garbage（垃圾）, saving water,  using both sides of paper…No matter how small the act is, we can do it every day to help change the world for better.

1.A. seat B. place C. chance

2.A. to B. from C. with

3.A. if B. although C. unless

4.A. Who B. Where C. When

5.A. walks B. sits C. stands

6.A. sleepy B. good C. safe

7.A. quietly B. easily C. slowly

8.A. disagree B. come C. agree

9.A. a B. / C. the

10.A. picking B. turning C. putting