The river has become much ______ than before because of the waste water from the factories.A. dirty

题目简介

The river has become much ______ than before because of the waste water from the factories.A. dirty

题目详情

The river has become much ______ than before because of the waste water from the factories.
A. dirty    B. dirtier  C. Dirtiest
题型:单选题难度:偏易来源:不详

答案

B

试题分析:句意:由于来自工厂的废水,这条河变得比以前更脏了。句中暗含现在的河与以前的河相比较,所以应用比较级。故选B。

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