题目内容
12.Three more bridgeshave been bulit(build) over the Yangtze River in the past years.分析 在过去的几年里,长江上又有三座桥被建立了起来.
解答 答案:have been bulit
根据句中的时间状语"in the past years(在过去的几年里)"可知,本句应使用现在完成时;由于主语Three more bridges与动词build构成了被动关系,所以此处应使用现在完成时态的被动语态;故答案为:have been bulit
点评 做本题时,首先根据句中的时间状语以及主语与谓语动词的关系,确定本句的时态以及语态;另外,本题主要考查了现在完成时态的被动语态的用法,所以应熟练掌握其意义及用法.
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