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I assure you that _______. 

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I walked away as calmly as I could. __________, they would have thought I was a thief.

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We bought some _______. 

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Stuart stopped to write his letter because he had to leave for the hospital

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__________the storm, the ship couldn't reach its destination on time.

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When friends insist on ______ expensive gifts, it makes most people uncomfortable

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When I got home, Irene was lying in bed thinking about the wonderful time she has ha

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Not until the end of the 19th century ______ become a scientific discipline.