Many accidentsby careless drivers last year.A. were caused B. have caused C. will cause

发布时间：2020-08-22 00:49:57

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

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解析：本题考查的一般过去时的被动语态，其结构为主语+be（were，was）+动词过去分词+其他，故选答案为A
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