中文谷Trafficconditionsinbeijing______fordecades.Atfirstpeopl...
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問題詳情：
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 been worsening C. have worsened D. worsened
【回答】
A
知識點：現在進行時及其被動式
題型：選擇題
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