题目内容
It _____ last week that the haze(雾霾)in Beijing caused many problems.
A.reports | B.reported | C.is reported | D.was reported |
D
句意:据报道,上周在北京的雾霾引起了许多的问题。结合语境可知本句描述的是过去的状态,主语是动作对象,故用被动语态。选D。
练习册系列答案
相关题目