Choose the best option to complete each of the following sentences. 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 install 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 11. If we ________less paper, we ________the number of trees in the forests. A. used/ will save B. use/ can save C. can use/ save D. use/ can 12. She won’t take all the suitcases ________she likes to travel light. A. so B. but C. because D. therefore 13. She is very tired; ________, she has to finish her homework. A. moreover B. so C. and D. however 14. - Is he an actor ________a singer? - An actor A. and B. or C. with D. so 15. He was tired, ________he took a rest before continuing the work. A. so B. and C. but D. if 16. Who looks ________your children when you are away from home? A. for B. at C. after D. to 17. Why doesn’t she go ________with her university study? A. in B. at C. to D. on 18. After coming home, she cleaned the floor ________cooked dinner. A. but B. however C. moreover D. and 19. They didn’t understand the matter ________she didn’t ask for help. A. but B. however C. moreover D. and 20. How about ________posters on energy saving and hanging them around our school? A. make B. making C. to make D. to making Give the correct form of the verbs in brackets. 21. I suggest ________________some money. (collect) 22. What about ________________a shower instead of a bath to save energy. (take) 23. I think we should ________________off the faucets. (turn) 24. If we plant more trees along the streets, we ________________more shade and fresh air. (have) 25. If the pollution _____________on, the world will end up like a second-hand junk-yard. (go) Filling each gap with a suitable phrasal verb in the box. turn on – turn off – look for – look after – go on – look forward to – put off 26. Mai can’t go to the movies with us tonight. She will have to ________her little sister. 27. If we ________wasting water, there will be a shortage of fresh water in a few decades. 28. “________the TV, will you? I want to watch the weather forecast.” 29. “ I think I’ve lost my new pen. I’ve ________it everywhere. 30. Mrs. Yen forgot to ________the faucets when she left home for work. 31. I am ________hearing from you. 32. Never ________till tomorrow what you can do today. Match a word or phrase in column A with a definition in column B. 33. plumber 34. energy 35. solar 36. innovation 37. enormous 38. turn off A. switch off B. of or using the sun C. a person whose job is to fix and repair things like water pipes. D. the power from electricity, gas, coal, ect that is used to make things work E. a new idea, method F. very big or very large. Give the correct form of the word in brackets. 39. There is a ________________faucet in your kitchen. (drip) 40. We can protect the environment by ________________air pollution. (reduce) 41. I am very ________________because they use electricity to catch fish. (worry) 42. I want to see the ________________of environment from the local authority. (protect) 43. Scientists are looking for an effective way to reduce energy _______________. (consume)