Tom's shoes looked just the same as Mike's, but they cost _______ his.A.as much twiceB.twice as much as C.much as twice asD.as twice much as
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B解析试题分析：考查倍数：结构是：倍数+as+adj+as，句意：汤姆的鞋看起来和迈克的一样，但价格是他的两倍。选B。考点：考查倍数的表达
点评：本题考查倍数的表达：除了 倍数+as +adj+as，还有：倍数+比较级+than，倍数+the+名词+of，倍数+从句，做题时按照句子的结构来选择。