III. Choose the best answer to complete these following sentences. 1. We decided not to go out for meal........we were too tired. A. but B. because C. so D. and 2. My shoes are dirty. I'd better take them.......before I come in. A. aways B. up C. on D. off 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. Who is going to.......your children when you're at work? A. look for B. look up C. look after D. look out 5. Mary's eyes are weak; ........, she has to wear glasses. A. but B. however C. and D. therefore 6. If there is a mechanical problem, we suggest........the manufacturer directly. A. contact B. contacting C. to contact D. be contacted 7. Our energy will soon be used up if we don't.......it. A. use B. save C. spend D. take 8.The children like to put....... nice clothes when they go out. A. in B. off C. into D. on 9. I like bananas, ........my brother doesn't. A. because B. but C. and D. even though 10. Please turn.......the gas. I want to cook this for lunch. A. over B. on C. in D. over 11.He is tired.......he stayed up late watching TV. A. so B. because C. but D. and 12. Her parents saw her....... at the railway station. A. in B. for C. up D. off 13.Can you turn........the light? It's too dark. A. on B. off C. in D. for 14. What are you looking......? My picture book. I've lost it. A. for B. off C. in D. on 15. There are.......saving methods and inventions to use solar energy. A. energy B. energize C. energetic D. energetics 16. I had to pay much this month for the international........ A. calls B. calling C. call D. called 17. A new air-conditioner will be......this morning. A. installed B. to install C. installing D. to install 18. Scientists are looking for an.......way to reduce energy consumption. A. effective B. affection C. effect D. effectively 19. We can......easily in the daylight. A. read B. to read C. reading D. readed 20. She won't take all these suitcases......she likes to travel light. A. because B. but C. so D. therefore 21. They are completely short of water now. A number of people have died because of this...... A. shortening B. short C. shortage D. shortly 22. She is very tired; ......., she has to finish her homework. A. however B. so C. and D. moreover 23. Is he an actor.......singer? A. or B. and C. with D. so 24. He's tired.......he took a rest before continuing the work. A. so B. and C. but D. if 25. She forgot ......off the gas before going out. A. turning B. turn C. to turn D. turned 26. I suggest.......money for the poor people in our neighbourhood. A. saving B. to save C. save D.saved 27. Who looks.......your children when you are away from home? A. after B. at C. for D. to 28. There are so.......grammatical mistakes in this test, Mr Luyen. A. plenty B. many C. much D. great deal 29. My shoes are dirty. I'd better take them.......before I come in. A. away B. up C. on D. off 30. If you want to save money, you should...... the amount of water your family uses. A. increase B. reduce C. adapt D. prepair 31. In order to save electricity, an ordinary 100-watt light bulb can be replaced by....... A. a 1000-watt light B. a lamp C. an electric bulb D. an energy-saving bulb 32. .......put on the guests on the first floor? A. Why don't we B. I suggest C. How about D. Let's 33. My mother has just bought a house........is full of roses. A. whose garden B. the garden C. the garden of it D. the garden whose 34. Today young generation is still fond.......wearing jeans. A. about B. with C. of D. on 35. Tan dropped his watch when he was......the bus. A. tuming off B. getting off C. taking off D. going off 36. I'll bring a raincoat.......it rains. A. so B. in case C. but D. since 37. They sell jeans.........the world. A. over all B. all over C. at over D. over at 38. A new bridge is going.......built in this area. A. be B.to be C. be to D. to have 39. Many students go there on weekends to have a rest after a........week. A.working hard B.hardly C. hard working D. worked 40. They have.......been here. A. next week B. already C. yesterday D. tomorrow 41. Would you please.... me where the post office is? A. say B. explain C. point D. tell 42. My unde.... Paris two or three times. A. is visiting B. has visited C. was visiting D. often visits 43. .....breakfast? A. Did you have just B. Are you just having C. Have you just had D. Do you just have 44. Have you ever been.... New York, Jack? A. at B. for C. to D. by 45. Tom has had flu for the last three says. He.......now. A. has seen the doctor B. is seeing the doctor C. sees the doctor D. was seeing the doctor 46. My father has gone to Danang......business. A. for B. on C. by D. because