题目内容

【题目】It________ last week that the haze (雾霾) in Beijing caused many problems.

A. reportsB. reportedC. was reported

【答案】C

【解析】

句意“上周据报道北京的雾霾造成了许多问题”。根据last week可知,用一般过去时,排除A;本句话中it作形式主语,真正的主语为the haze (雾霾) in Beijing caused many problems。且主语与report之间为被动,且根据it was reported that“据报道”可知,故选C

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