| 21. | When the attraction is much weaker, the atoms still pair up.
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| 22. | The weasel is generally solitary, but individuals sometimes pair up to dig burrows.
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| 23. | The models were told to pair up, although they will be judged individually.
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| 24. | Halfway through the class, Grove tells the students to pair up.
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| 25. | Matches are arranged to that teams pair up as " travelling partners ".
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| 26. | She pairs up with industry veteran Dr . Mohan Babu.
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| 27. | 1883 : Auguste Escoffier and Cesar Ritz pair up at Monte Carlo's Grand Hotel.
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| 28. | It has not been the only company to pair up.
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| 29. | One of them will pair up with Ronaldinho in attack.
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| 30. | The show pairs up local personalities with local professional singers.
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