题目内容
(2017·辽宁丹东·32)—Many accidents ________ by careless drivers last year.
—Oh,that's terrible. We must follow the traffic rules.
A.are caused B.were caused C.have caused D.caused
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题目内容
(2017·辽宁丹东·32)—Many accidents ________ by careless drivers last year.
—Oh,that's terrible. We must follow the traffic rules.
A.are caused B.were caused C.have caused D.caused