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1.We apologize for any inconvenience that this may（）
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Prices of raw materials ______steeply since our quotation of November 1, 2016.
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We _____ the fact that the market is declining.
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Plastics play animportant role in almost every aspect of our lives. Plastics are used tomanufacture
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It was difficult tobelieve that he was a Ground. He was __61___into an unimportant butwell-to-do family
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One October morningin 2012, Paul Horton, a 59-year-old retired mechanical engineer and
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