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:中档来源:不详

答案

B
有than知用比较级。A是原形,C是最高级。

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