填空题 If he (listen) 1 to me, he wouldn't have made the mistake and been fired by his boss.
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【正确答案】 1、had listened    
【答案解析】句意:他如果听了我的话,就不会犯错误而被老板开除了。本句是虚拟语态,与过去事实相反,故从句用过去完成时,主句用would(not)have done.