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5.Without our team's great effort,the art exhibition last week      such a great success.(  )
A.wouldn't beB.won't be
C.wouldn't have beenD.won't have been

分析 没有我们队的极大的努力,上周的展览就不会有如此的巨大成功.

解答 答案是C.本题考查的是含蓄的虚拟条件句.英语中表示条件时常常没有连词if,而是用with、without、otherwise、but等形式表达条件,这种类型的虚拟语气被称之为含蓄的虚拟条件.本题中without表示"如果没有",相当于一个虚拟条件句.这里要表达的意思是"如果没有我们队的极大的努力",由主句中的last week可见这是一个与过去事实相反的虚拟;与过去事实相反的虚拟条件句中往往用过去完成时,而主句中则用"would/should/could/might+have done",由此判断答案是C.

点评 在掌握虚拟语气的规则的基础上,判断题干属于什么类型的虚拟,然后根据语境,选用恰当的动词形式表达虚拟.

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