MULTIPLE CHOICE I. Choose the best answer to complete each of the following sentences. 1. If people ______ public transport, there will be less pollution. A. use B. will use C. can use D. used 2. ______we miss the last bus, we will have to walk home. A. As B. When C. If D. Unless 3. People have ________this beach with a lot of trash. A. spoiled B. cleaned C. collected D. protected 4. He got a ________ for packing on double yellow lines. A. fee B. ticket C. fine D. token 5. By sticking labels over the address you can _______. envelopes. A. recycle B. reduce C. reuse D. return 6. Because plastic bags are very hard to ________, they will cause pollution. A. dissolve B. wrap C. tear D. collect 7. These materials can be _____ into other packaging products. A. reused B. reduced C. removed D. recycled 8. If we _______waste paper, we will save a lot of trees. A. repeat B. recycle C. rewrite D. remake 9. If we plant more trees in the schoolyard, the school will become a_____ place. A. greener B. darker C. dirtier D. more polluted 10. “Why do you often forget to_______ the lights when you go out of the classroom?” A. reduce B. turn off C. close D. shut down 11. “What can we do ____ air pollution?” A. reduce B. to reduce C. reducing D. to reducing 12. You can save money while shopping by only buying _______ you need. A. what B. a C. this D. that 13. Please collect all recyclable materials, and take them to the ______. factory. A. recycle B. recycled C. recyclable D. recycling 14. This newspaper is made of _______paper. A. recycle B. recycled C. old D. waste 15. If we all use _______ bags, we’ll help the environment. A. new B. cheap C. reusable D. reduced