| 11. | A flight of stairs led to a set of small entry rooms.
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| 12. | He was then pushed down a flight of stairs by festival goons.
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| 13. | Patrons and employees had to go down 35 flights of stairs to safety.
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| 14. | Walk down three flights of stairs to go to the restroom.
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| 15. | What would he say in the ad about the four flights of stairs?
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| 16. | We climbed a steep flight of stairs to look at them.
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| 17. | Or take five minutes to walk up a flight of stairs.
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| 18. | Market indexes " have gone up like a flight of stairs.
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| 19. | Ferris sprinted down four flights of stairs when he heard screams.
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| 20. | Evan saw them and ran up a flight of stairs toward the library.
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