1. For a long time/ people/ use water/ power machines.
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2. Solar panels/ place/ the roof/ a house/ and/ sun’s energy/ use/ heat water. ........................................................................................................................
3. We/ use energy/ the sun, the wind, and the water.
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4. Many countries/ already using/ solar energy.
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5. The earth’s fossil fuels/ running out.
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6. We/ looking/ cheap, clean, effective source/ energy/ not cause pollution or waste natural resources. ........................................................................................................................
7. Recently/ wind/ use/ generate electricity.
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8. The sun/ supply/ all energy/ used/ grow plants/ evaporate water/ rain/ and/ maintain/ temperature/ planet ........................................................................................................................
9. At present/ most/ our electricity/ come/ use/ coal, gas, oil or nuclear power. ........................................................................................................................
10. Today/ water power/ mostly/ use/ generate electricity.
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11. This power/ could/ provide/ sun.
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12. If we/ able/ collect solar energy/ we/ be sure/ have enough power. ......................................................................................................................
13. Scientists/ try/ find/ other alternative sources/ energy.
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14. One percent/ solar energy/ reach/ earth/ enough/ provide power/ the total population. ........................................................................................................................
15. Viet Nam/ an advanced technology/ solar energy.
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16. The energy/ store/ a number of days.
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17. Car/ use solar energy/ gas/ by the year 2030.
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18. Energy/ wind/ use/ centuries/ move ships, grind grain, pump water/ and/ do other forms/ work. ........................................................................................................................
19. On/ cloudy/ you/ use/ solar energy/ too.
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20. Almost all our energy/ come/ oil/ gas/ natural gas. We/ them/ fossil fuels. ........................................................................................................................
1. For a long time/ people/ use water/ power machines.
=> for a long time people have used water to power machines.
2. Solar panels/ place/ the roof/ a house/ and/ sun’s energy/ use/ heat water.
=> solar panels are placed on the roof of a house a sun's energy used to heat water.
3. We/ use energy/ the sun, the wind, and the water.
=> we use energy from the sun, the wind and the water.
4. Many countries/ already using/ solar energy.
=> many countries have already been using solar energy.
5. The earth’s fossil fuels/ running out.
=> the earth's fossil fuels are running out.
6. We/ looking/ cheap, clean, effective source/ energy/ not cause pollution or waste natural resources.
=> we are looking for cheap, clean and effective source of energy that doesn't cause pollutioon or waste natural resources.
7. Recently/ wind/ use/ generate electricity.
=> recently wind has been used to generate electricity.
8. The sun/ supply/ all energy/ used/ grow plants/ evaporate water/ rain/ and/ maintain/ temperature/ planet
=> the sun supplies all energy used to grow plants, to eveporate water for rain and to maintain the temperature of planet.
9. At present/ most/ our electricity/ come/ use/ coal, gas, oil or nuclear power.
=> at present, most of our electricity come from the use of coal, gas, oil or nuclear power.
10. Today/ water power/ mostly/ use/ generate electricity.
.=> today water power is mostly used to generate electricity.
11. This power/ could/ provide/ sun.
..=> this power could be provided by the sun.
12. If we/ able/ collect solar energy/ we/ be sure/ have enough power. .
=> if we are able to collect solar energy, we will be sure to have enough power.
13. Scientists/ try/ find/ other alternative sources/ energy.
=> scientists are trying to find other alternative sources of energy.
14. One percent/ solar energy/ reach/ earth/ enough/ provide power/ the total population. .
=> one percent of solar energy that reaches to the earth is enough to provide power for the total population.
15. Viet Nam/ an advanced technology/ solar energy.
=> Viet Nam can be an advanced technology in solar energy.
16. The energy/ store/ a number of days.
.=> the energy can be stored in a number of days.
17. Car/ use solar energy/ gas/ by the year 2030.
=> car will use solar energy instead of gas by the year 2030.
18. Energy/ wind/ use/ centuries/ move ships, grind grain, pump water/ and/ do other forms/ work. .
=> energy from the wind has been used for centuries to move ships, grind grain, pump water and do other forms of work.
19. On/ cloudy/ you/ use/ solar energy/ too.
=> on cloudy days, you can use solae energy, too.
20. Almost all our energy/ come/ oil/ gas/ natural gas. We/ them/ fossil fuels.
=>almost all our energy come from oil, gas and natural gas. we call them fossil fuels.