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一、题文
Every coin has two sides. My bad luck has__________（unexpected） turned into a good thing.
二、解答
【答案】 unexpectedly 【解析】根据Every coin has two sides. My bad luck has __________ （unexpected） turned into a good thing.可知这里修饰动词用副词形式。故填unexpectedly。本文到此结束，希望对大家有所帮助。
