| 11. | He'll say things like : ` knock on wood . "'
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| 12. | Of course I knock on wood that it continues like this.
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| 13. | We must knock on wood, but it appears there will be no airstrikes.
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| 14. | _27 percent say they knock on wood for good luck.
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| 15. | Knock on wood, my dad never had any bad accidents.
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| 16. | Hunt : I'm quite happy at home, knock on wood.
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| 17. | I have one of those rubber arms, knock on wood.
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| 18. | His health _ knock on wood _ has been good.
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| 19. | I credit it to good genes and knock on wood.
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| 20. | Akchurin said, asking everyone to knock on wood for luck.
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