问题
选择题
Tom's shoes looked just the same as Mike's, but they cost _______ his.
A．as much twice
B．twice as much as
C．much as twice as
D．as twice much as
答案
答案：B
题目分析：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。
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。