If it hadn’t been for the help of my English teacher, I_________the first prize in the English Writing CompetitionA.would not winB.would not have wonC.would winD.would have won
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B解析这题考查虚拟语气的用法：条件状语从句If it hadn’t been for the help of my English teacher,“如果不是我英语老师的帮助，”说明事实是有英语老师的帮助，主句是用wouldn’t have done，过去不会做而做了，意思是：我就不会赢得英语竞赛一等奖了。选B。