it____ last week that the haze in beijing caused many problemsA.reports B.reported C.is reported D.was reported

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it____ last week that the haze in beijing caused many problemsA.reports B.reported C.is reported D.was reported

it____ last week that the haze in beijing caused many problemsA.reports B.reported C.is reported D.was reported
it____ last week that the haze in beijing caused many problems
A.reports B.reported C.is reported D.was reported

it____ last week that the haze in beijing caused many problemsA.reports B.reported C.is reported D.was reported
【2013广东】42.It ______ last week that the haze (雾霾)in Beijing caused many problems.
A.reports B.reported C.is reported D.was reported
【答案】 D
【解析】考查被动语态.It is/was reported that从句,据报道……,根据last week知道为过去的动作.
所以选择答案 D