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Indiscriminately dumping waste material and inadequate sewage treatment are two serious causes of environmental pollutio.

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Unlike  competitive running race, the walkers must always keep some portion of their feet in contact with the ground.

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The mosquito has needle-shaped mouthparts that piercing the skin to suck human blood.

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We request that she ____ the window.

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Even the most discriminating gourmet will agree that food in the south is as good as any different regions in the country.

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Most country music songs are deeply personal and deal with themes of love, loneliness, and separation.

Each of the residents in this community ........... responsible for keeping this park clean.

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 You can refuse to answer my question in no way.

The boy speaks English __________making mistakes. 

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It is their nearly perfect ystal structure that gives diamonds their hardness, brilliance,transparent .

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Because it is a healthy way to exercise, aerobic dancing is considered as an wonderful method for release tension.

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He enjoys not only riding his bike but also the scenery.

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A conductor uses signals and gesture to let the musicians to know when to play various parts of the composition

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George Washington, his portrait appears at quarter coin and dollar bill, served two terms as president.

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To his surprise, engine started by the very first try.

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None of butterflies have exactly the same designer on their wings.

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Chicago’s Sears Tower, now the tallest building in the world, rises 1,522 feet from ground to the top of it antenna.

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The world oceans have risen on average of 6 inches over past 100 years, which has been considered as an evidence global warming has an effect.

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Police sealed off the town – centre for three hours meanwhile they searched for the bomb

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The duty of  policeman is the maintains of the law and order.

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The average temperature on Mars, the fourth planet from the Sun, is about eighty degrees than colder Earth