Many accidents by careless drivers last year .A. are causedB. were causedC. have caused D

发布时间：2020-08-23 06:31:07

Many accidents      by careless drivers last year .
A. are caused
B. were caused
C. have caused
D. will cause

网友回答

A. are caused
(答案→)B. were caused
C. have caused
D. will cause
解析：句意：去年粗心的司机造成了许多起事故。结合语境可知本句描述的是过去的动作，故用一般过去时态。句子主语是动作对象，故用被动语态，选B。
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