1) We___________recycle paper, metal, glass and plastic. a) should b) shouldn't 2) We ___________turn off the lights. a) should b) shouldn't 3) We_________cut down a tree. a) should b) shouldn't 4) We___________use less water. a) should b) shouldn't 5) We___________waste water and energy. a) should b) shouldn't 6) We____________throw rubbish on the streets. a) should b) shouldn't 7) We___________stop air pollution. a) should b) shouldn't 8) We__________use eco-friendly light bulbs. a) should b) shouldn't 9) We____________harm animals. a) should b) shouldn't 10) We____________plant a tree. a) should b) shouldn't 11) We___________damage the environment. a) should b) shouldn't 12) We ____________ grow more plants to reduce CO2. a) should b) shouldn't 13) We __________save our Earth! a) should b) shouldn't

6. Sınıf 9. Ünite Saving The Planet

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