II. Choose the best option to complete each of the following sentences. 1. _________ air is one of the many problems we have to solve. A. Pure B. Polluted C. Dust D. Pleasant 2. “ ___________” means a piece of land full of rubbish. A. junkyard B. treasure C. hedge D. stream 3. If you want to save money, you should ________the amount of water your family uses. A. increase B. reduce C. adapt D. repair 4. You should get a (n)________to make sure there are no cracks in the pipes A. plumber B. mechanic C. electrician D. consumer 5. 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 bul D. save-energy bulb 6. I’m disappointed _________ people have spoiled this area. A that B. when C. if D. how 7. Minh’s English is excellent. He speaks________. A. perfectly English B. English perfectly C. perfect English D. English perfect 8. We couldn’t go on a picnic as planned __________ it was raining. A. however B. but C. because D. so 9. If you are busy, we ________ this by ourselves. A. will do B. did C. would do D. doing 10. Can you turn ________the light? -It’s too dark. A. on B. off C. in D. for 11. I suggest ________showers instead of taking bath. A. take B. taking C. to take D. to taking 12. Scientists are looking for an ________way to reduce energy consumption. A. effect B. effects C. effective D. effectively 13. He was born ______ March 25 , 1992 . A.at B.on C.in D.for 14. She is very tired. ________, she has to finish her homework. A. Moreover B. so C. and D. However 15.- Is he an actor ________a singer? - An actor A. and B. or C. with D. so 16. He was tired; ________he took a rest before continuing the work. A. so B. and C. but D. if

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