| 21. | It is common knowledge that the Christmas period is a big money spinner.
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| 22. | Her desperation to acquire drugs became common knowledge in the community.
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| 23. | CLUTTER _ It is common knowledge a growing number of Americans are overweight.
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| 24. | It was common knowledge within the family that it was the left one.
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| 25. | I mean, how can something so important not be common knowledge?
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| 26. | Most of the information in the article is not common knowledge.
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| 27. | The exemplary morality of sportswriters and broadcasters is common knowledge in journalism circles.
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| 28. | Old or not, the savings bond rules are hardly common knowledge.
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| 29. | It is common knowledge that the Ganges Action Plan has failed,
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| 30. | He said this risk is common knowledge . _ _ _=
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