In 1960,this was the longest bridge that____.A.was everbuilt B.had everbuiltC.has ever been built D.had ever been built

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In 1960,this was the longest bridge that____.A.was everbuilt B.had everbuiltC.has ever been built D.had ever been built

In 1960,this was the longest bridge that____.A.was everbuilt B.had everbuiltC.has ever been built D.had ever been built
In 1960,this was the longest bridge that____.A.was everbuilt B.had everbuilt
C.has ever been built D.had ever been built

In 1960,this was the longest bridge that____.A.was everbuilt B.had everbuiltC.has ever been built D.had ever been built
B.had everbuilt
用过去完成时态,因为表示过去之过去

D
应该用过去完成时的被动语态,因为桥作主语
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D
此题及考察时态又考察语态
第一, 因为是有史以来建设的最长的桥,而且有ever 提示 所以要用完成时,表示“有史以来"即在一段时间以来,
第二,桥是被人建设的所以用被动语态
第三,由于主句已经是过去时态,所以选用过去完成时
所以选D
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D
此题及考察时态又考察语态
第一, 因为是有史以来建设的最长的桥,而且有ever 提示 所以要用完成时,表示“有史以来"即在一段时间以来,
第二,桥是被人建设的所以用被动语态
第三,由于主句已经是过去时态,所以选用过去完成时
所以选D
希望对你有帮助

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