题目内容
6.It _____ last week that the haze(雾霾)in Beijing caused many problems.( )| A. | reports | B. | reported | C. | is reported | D. | was reported |
分析 据报导上周北京的雾霾引起了很多的问题.
解答 答案:D 根据last week可知,这是表示过去的时间状语,所以运用一般过去时态;又因为主语it是动词report的承受者,应该用被动语态.一般过去时态的被动语态的构成是:was/were+动词的过去分词,主语是单数it,所以用助动词用was,故选D.
点评 判断动词的时态,要通过所给的时间状语或语境去判断动词存在的状态;判断动词的语态,要看看主语是谓语动词的执行者还是承受者.
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