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Each chemical element is characterized to number of protons that an atom of element contains, called its atomic number.

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Engines used in space shuttles are much larger and more strong than ones used in 

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There is a rumour that the army is about taking power, though this has been denied by many government sources

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For many years, people have wondered  that if life exits elsewhere in the universe.

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For many years, scientists studying the effects that the sun has human skin

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……….. is the state of not knowing how to read or write.

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The cars in garage were badly in need of repaired.

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We had planned to go to the movies, but, because of the amount of work, I spent the evening to study

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Muscles are essentially made up by elastic fibers that  lend the flexibility to our body.

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I am not related to this man in any way. He is neither a member of my family or one friend of mine .

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Gunpowder, in any ways the most effective of all the explosive materials, were mixture of potassium nitrate, charcoal, and sulfuric

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A bank has promised a donation of $24 million toward the disaster fund.

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I do not mind at all. You _______ apologize.

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Although she is 103 but, she still does a lot of work in the flat.

I shall wait _____ you. 

Mary and her sister just bought two new winters coats at clearance sale.

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 You can refuse to answer my question in no way.

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Agronomists study crop disease , selections breeding, crop rotation, and climatic factors, as well soil content and erosion

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The food Mark is cooking in the kitchen is smelling  delicious.

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Since fireworks are dangerous, many countries have laws preventing the business to sell them.

I had passed the exam with the flying colors ___ studying constantly.