2. —What do you think of the Internet?

—Amazing! The Internet makes it ________ for us to find so much information in a short time.

4. We hate the war and we hope we can have ________ forever.

6. Some people agree with this decision, while others ________, because they think it’s unfair.

7. Everyone should play a ________ in protecting the environment.

9. A few ________ were shut up by the government to improve the environment last year.

10. There are many trees on both ________ of the road. They can improve air quality.

11. The man who is in black over there has two ________ in central London.

12. The environment in my hometown is changing because many trees are ________ here every year.

13. The kites in Chinese ancient times were designed in the ________ of birds.

What will my life be like in the future?

I think I will be a scientist     15     20 years. I will live in Beijing,     16     there will be more jobs in that city. Will I use money then? No, I won’t. Everything will be free. As     17     scientist, I think I will be too busy to have enough free time. So I will     18     have a robot in my house. The robot will help with the housework like a human servant. There will also be some robots in     19     office. They will do simple     20     over and over again because fewer people will do such boring jobs in the future.

What about the     21    ? Some people think the environment will be in great     22    . I disagree. I think there will be less     23    , because more people will play a part in     24     the earth.