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Every one of the students required to take the final test.
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None of animals at the zoo free. All of them in enclosures
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A numbers of students at the university approximately 10,000.
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One of the chief materials in bones and teeths calcium.
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all of the children have their books?
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all of this homework have to finished by tomorrow?
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Why some of the students excutes from the examination?
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Why one of the students excutes from the examination?
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What percentage of the earth’s surface covered by water?
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What percentage of the people in the world illiterate?