Use the cues given to write correct sentences
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 and the sun's energy is 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 resource
We are looking for a cheap, clean, effective source of energy that does not cause pollution or waste natural resource
7. Recently / wind / use / generate electricity
Recently wind has 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 and to evaporate water for rain and to maintain tenperature of the planet
9. At present / most / our electricity / come / use / coal, gas, oil or nuclear power
At present, most of our electricity comes 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 the other alternative sources of energy
14. One percent / soalr energy / reach / earth / anough / provide power / the total population
One percent of the solar energy reaches to the earth is enough to provide the power for the total population
15. Viet Nam / an advanced teachnology / 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 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 tto do other forms of work
19. On / cloudy / you / use / solar energy / too
On cloudy days, you can use solar energy, too
20. Almost all our energy / come / oil / gas / natural gas / . / We / them / fossil fuels
Almost all our energy comes from oil, gas and natural gas. We call them fossil fuels
