Page 71 - Demo

70B. Match the words with their meanings.1. Environment a. sharing a ride in a car with others2. Pollution b. the natural world and everything in it3. Global warming c. a gradual increase in the Earth's temperature4. Carpooling d. The act of cutting down a tree or trees5. Cutting e. Contamination or harm to the air, water, or soilC. Fill in the blanks with the correct word from the word bank.1. Mrs. Green wants to teach her students about saving our __________________.2. Exhaust gases, factory smokes, and _______________ cause air ____________________.3. __________ down trees is bad because they clean the air and provide homes for animals.4. We should _____________________ and reuse things to keep our planet clean.5. To stop _______ _______, we should use things that save _______________ and turn off lights when we don%u2019t use them.6. Using public transportation and ___________________ with friends can reduce pollution.A. Complete the sentences with should or shouldn%u2019t.1. People _____________ use solar energy to save energy.2. People _____________ drive their private cars too much.3. People _____________ waste water.4. People _____________ protect animals.5. People _____________ turn off the lights when they don%u2019t need them.6. People _____________ cut down trees in forests.b. Match the sentences with the correct advices. ___1. It's raining outside. a. We should take an umbrella.___2. Factories pollute the air. b. She should practice with a native speaker.___3. Amy wants to improve her English. c. You should turn off the tap.___4. Wild animals are dying. d. We should use filters.___5. People need forests for oxygen. e. People should protect their habitats.___6. You are wasting too much water. f. We shouldn%u2019t destroy them.1.3.2.4.5.pollution - environment - cutting - fossil fuels - recycle - global warming - carpooling - energyGRAMMAR