| 11. | After this feeble demonstration, he began his retreat under cover of night.
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| 12. | The trip to Beirut was to be taken under cover of darkness.
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| 13. | They came under cover of darkness and have kept their profile low.
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| 14. | We arrived under cover of darkness and a light patter of rain.
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| 15. | That night, Tupotahi suggested they make a breakout under cover of dark.
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| 16. | These are places to tie one on, under cover of culinary experimentation.
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| 17. | Most officers and government troops abandoned the city under cover of darkness.
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| 18. | He was forced to abandon Chich�n Itz?in 1534 under cover of darkness.
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| 19. | The peacekeepers were able to escape only after nightfall under cover of darkness.
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| 20. | Many others fled the area under cover of darkness, he said.
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