________ he driven more carefully,the accident would not have happened the other day.A.Be B.Had C.Has D.Would have

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________hedrivenmorecarefully,theaccidentwouldnothavehappenedtheotherday.A.BeB.HadC.HasD.Wouldhave__

________ he driven more carefully,the accident would not have happened the other day.A.Be B.Had C.Has D.Would have
________ he driven more carefully,the accident would not have happened the other day.
A.Be B.Had C.Has D.Would have

________ he driven more carefully,the accident would not have happened the other day.A.Be B.Had C.Has D.Would have
答案B 考查虚拟语气.“如果他开车在小心一点,事故就不会发生了.”根据主句的would not have happened可知,与过去相反,故用过去完成时,即If he had driven...,If引导的虚拟语气常用省略形式,把had提前,即Had he driven.故选B.查看原帖>>