一、用括号内所给词的适当形式填空。
1. People should stop ______ () cars and start to ride bikes to help save the planet.
2. Amy isn't the only one who is good at ______ ().
3. The writer is ______ () for his Nobel Prize.
4. She likes to use old cans(金属罐) ______ () beautiful art pieces.
5. Our teacher often tells us the ______ () of hard work.
6. We should try to ______ () all our waste paper.
7. The teacher's encouraging words were a great ______ () to me in my studies.
8. She donated her books to the local library and ______ () them to good use.
9. Public ______ () is a cost - effective way to travel in large cities.
10. Old newspapers and magazines should not ______ () away; they can be recycled.

1. driving 2. recycling 3. known 4. to make 5. importance 6. reuse 7. inspiration 8. put 9. transportation 10. be thrown