VI. Read the following passage and fill in each blank with a suitable word or phrase from the box. reuse electricity dirty plastic free picking up Our planet is in big trouble – animals are disappearing, the sea and the air are ______(25) _____. But there are many different things we can do to protect the environment. First, recycle everything you can. Don’t throw away plastic bottles, glass jars, cardboard boxes or cans. We can __(26)____ them to store food, toys or grow flowers. Second, why not walk or cycle to school or work? It’s ____(27)____ , good exercise and good for the environment. Third, don’t waste ____(28)____. Switch the lights off when you leave the room. And keep the city clean by _____(29)___ litter off the streets. When you go shopping, bring your own bags instead of taking ____(30)____ bags. Together we can make a big difference and help save the planet.