complete then sentences with the correct form

1. Ultraviolet rays, which can cause sunburn, are classified as the most energetic waves. (energy)
2. The sun and all the nine planets and their s, tens of thousands of asteroids, and trillions of comets around the sun are in the solar system. (sun)
3. Great civilisation have risen where water supplies were plentiful (plenty)
5. Ecologists are concerned about the rate at which people are depleting such renewable resources as coal, gas, and petroleum. (renew)
6. Most carpets are mass- produced and are make in a variety of textures and an almost limitation / limited number of colours and patterns. (limit)
7. The most powerful computers can perform trillions of calculations per second. (power)
8. Electric devices help reduce fuel consuming and air pollution in gasoline engines. (consume)
9. Remember to turn off all the lights before you leave to save electricity (electric)
10. Scientist are searching for alternative fuels, such as the energy of the sun. (alternate)
11. People should conserve natural resources because once used up, it can never be replaced. (nature)
12. Solar energy is not only pleniful and infinite but also clean and safe. (sun)
13. Farmers add fertilizer to their land to make it productive. (fertilize)
14. Vehicles are one of the major causes of air pollution in big cities. (majority)
15. An important part of conservation is prevention of waste. (prevent)

dumiafk@gmail.com said:

1. Ultraviolet rays, which can cause sunburn, are classified as the most…..waves. (energy)
2. The sun and all the nine planets and their moons, tens of thousands of asteroids, and trillions of comets around the sun are in the ………. system. (sun)
3. Great civilisation have risen where water supplies were ………… . (plenty)
4. Regions where air pressure is ………. low experience cloudy, stormy weather. (relate)
5. Ecologists are concerned about the rate at which people are depleting such ……… resources as coal, gas, and petroleum. (renew)
6. Most carpets are mass- produced and are make in a variety of textures and an almost………… mumber of colours and patterns. (limit)
7. The most ……… computers can perform trillions of calculations per second. (power)
8. Electric devices help reduce fuel…… and air pollution in gasoline engines. (consume)
9. Remember to turn off all the lights before you leave to save………….. . (electric)
10. Scientist are searching for…………. Fuels, such as the energy of the sun. (alternate)
11. People should conserve………… resources because once used up, it can never be replaced. (nature)
12. …….... energy is not only pleniful and infinite but also clean and safe. (sun)
13. Farmers add…………. To their land to make it productive. (fertilize)
14. Vehicles are one of the ………… causes of air pollution in big cities. (majority)
15. An important part of conservation is ………….of waste. (prevent)

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1. Ultraviolet rays, which can cause sunburn, are classified as the most…energetic..waves. (energy)
2. The sun and all the nine planets and their moons, tens of thousands of asteroids, and trillions of comets around the sun are in the ……solar…. system. (sun)
3. Great civilisation have risen where water supplies were ……plentiful……. (plenty)
4. Regions where air pressure is ……relatedly…. low experience cloudy, stormy weather. (relate)
5. Ecologists are concerned about the rate at which people are depleting such … renewable…… resources as coal, gas, and petroleum. (renew)
6. Most carpets are mass- produced and are make in a variety of textures and an almost……limited …… mumber of colours and patterns. (limit)
7. The most …powerful…… computers can perform trillions of calculations per second. (power)
8. Electric devices help reduce fuel…consumption … and air pollution in gasoline engines. (consume)
9. Remember to turn off all the lights before you leave to save……electricity…….. . (electric)
10. Scientists are searching for……alternative……. Fuels, such as the energy of the sun. (alternate)
11. People should conserve……natural…… resources because once used up, it can never be replaced. (nature)
12. …Solar….... energy is not only plentiful and infinite but also clean and safe. (sun)
13. Farmers add……fertilizer……. To their land to make it productive. (fertilize)
14. Vehicles are one of the ……major…… causes of air pollution in big cities. (majority)
15. An important part of conservation is ……prevention…….of waste. (prevent)[/QUOTE]