【正文】
_________ over cities and villages, and that _________ even more danger. Cars use a lot of _____ and cause pollution too. pollute spreads causes oil Listen and mark the words which the speaker links. 1. After our lesson on the environment, I’m worried about the future. 2. Students at a green school also learn ways to save energy and recycle at home. Now listen again and repeat. List the pollution problems in your place. Choose one problem and say what should be done about it. — The air pollution in our city is getting worse. What can we do to stop it? — I think we can ride our bicycles to school more. Write a passage about how to control pollution and how save our earth.