题目内容：

Many kids want to offer their help in keeping the environment healthy but don’t know where to start. ____, even the simplest everyday activities can make a real difference to the environment. Here is how:

(1.) Don’t litter. Litter can ____ our water and that could do harm to us and to wildlife.

(2.) Always recycle bottles, cans, paper and plastic. This is a good ____ to develop early on and can really make a difference.

(3.) Save ____ by switching off lights and electronic devices (电子设备) when they are not being used.

(4.) Talk to your parents about ____ your home’s incandescent bulbs (白炽灯) with energy-saving bulbs.

(5.) Use your bike ____ walk to nearby locations rather than riding in a car. Encourage your friends and family to ____ the same.

(6.) Don’t throw your old clothes and toys away. Give them to a local charity (慈善机构) or a friend that may be able to use them.

(7.) ____ wasting plastic bags by bringing your own reusable cloth bags to stores.

(8.) ____ you see litter, pick it up.

By following these tips and using them in your everyday life, you will make the world a greener place. It’s ___ too late to start, and what better time is there than right now?

1.A. At first    B. Above all    C. In fact    D. As a result

2.A. pollute    B. save    C. clean    D. waste

3.A. interest    B. plan    C. character    D. habit

4.A. space    B. money    C. energy    D. time

5.A. selling    B. replacing    C. making    D. comparing

6.A. but    B. and    C. so    D. or

7.A. do    B. look    C. say    D. wear

8.A. Keep    B. Try    C. Enjoy    D. Avoid

9.A. Before    B. If    C. Since    D. As

10.A. still    B. actually    C. never    D. already