甘肃省天水市一中2011届高考第一次模拟考试 Helen devoted herself ________t

甘肃省天水市一中2011届高考第一次模拟考试

Helen devoted herself ________to her research and became a top scientist in the field of applied physics

       Aseriously  Bextremely     Centirely                     Dstrictly

答案

C

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