“This month our family has used ______ water as we did last month.” said Mother .A.as twice as muchB.more than twiceC.twice as much asD.more than twice as much
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D解析考查倍数的表达。此题考查的结构为：倍数+as …as ,题中已经有了第二个as,可排除A和C两项，B中一个as 都没有，也可排除，所以选D，more than twice as much water as we did last month，超过了我们上个月用水的两倍多。