| 41. | The barriers have been erected off and on since September.
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| 42. | It drizzled off and on, but there were no delays.
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| 43. | I have seen gulls off and on all my life.
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| 44. | Goldberg said Chamberlain had experienced heart problems off and on.
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| 45. | The lights in the cars kept blinking off and on.
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| 46. | She had it off and on for a whole week!
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| 47. | I heard her screaming off and on for 10 minutes.
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| 48. | Jim Bob worked for Helen, off and on, before Cantrell.
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| 49. | Beard is gregarious and uninhibited off and on the court.
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| 50. | People have been walking labyrinths, off and on, for centuries.
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