问题 选择题

Traffic conditions in Beijing ________ for decades. At first people only complained about jams during rush hours,but today every hour is rush hour.

A.is worsening

B.have worsened

C.worsened

D.have been worsening

答案

答案:D

题目分析:考查时态,由时间状语for decades,可以知道时态是现在进行时,因为名词Traffic conditions和动词worsen是动宾关系,所以用被动式,所以选D

点评:时态是初中和高中阶段的重点和难点,是高考常考内容,时态的考查主要看时间状语,时间状语for decades很容易知道时态,但是本题和被动式在一块考查,增加了本题的难度,需要考生做题时多注意

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