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glass and paper? 4. What happened if we don’t turn off lights? Because they can be sold and recycled. We waste electricity. 1. Hey, you guys! Guess what! 喂,伙計(jì)們猜猜 2. at a green school. 在環(huán)保學(xué)校 3. be careful about/of sth. 對(duì)某事仔細(xì)認(rèn)真 4. collect reusable waste 收集再利用的費(fèi)品 5. sell sth. for recycling 賣某東西再循環(huán) 6. raise money 捐款 7. save energy/ waste electricity節(jié)能 /費(fèi)電 Key phrases Complete the sentences. he was doing his homework on favourite books. they are going to write about environmental education. 2. Zhao Ming wants to know when 3. In a green school everyone agrees we must be careful with environment / help save our world. can save our world if everyone thinks about pollution and recycling. enjoy environment care waste reuse hope Complete the sentences with the