1. Can you turn ________the light? -It’s too dark. A. on B. off C. in D. for 2. I suggest ________showers instead of taking bath. A. take B. taking C. to take D. to taking 3. - What are you looking ________? - My picture book. I’ve lost it. A. on B. off C. in D. for 4. A new air-conditioner will be ________tomorrow morning. A. to intall B. installed C. installing D. install 5. Scientists are looking for an ________way to reduce energy consumption. A. effect B. effection C. effective D. effectively 6. They are completely short of water now. A number of people have died because of this ________. A. shortage B. short C. shorten D. shortly 7. If you want to save money, you should ______the amount of water your family uses. A. increase B. reduce C. adapt D. repair 8. In order to save electricity, an ordinary 100-watt light bulb can be replaced by a(n) ________. A. energy-saving bulb B. energy-save bulb C. saving energy bulb D. save-energy bulb 9. You should get a (n)________to make sure there are no cracks in the pipes. A. plumber B. mechanic C. electrician D. consumer 10. ________take the train instead of the bus? It’s faster and cheaper. A. Why not B. Why don’t C. How about D. Let’s