Dirt roads may evoke the bucolic simplicity of another century, but financially strained townships point out that dirt roads cost twice as much as maintaining paved roads.
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Adirt roads cost twice as much as maintaining paved roads
分析该选项
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Bdirt roads cost twice as much to maintain as paved roads do
分析该选项
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Cmaintaining dirt roads costs twice as much as paved roads do
分析该选项
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Dmaintaining dirt roads costs twice as much as it does for paved roads
分析该选项
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Eto maintain dirt roads costs twice as much as for paved roads
分析该选项
显示答案
正确答案: B