In 1960, this was the longest bridge that . A. was ever built B. had ever built
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In 1960, this was the longest bridge that __________.
A. was ever built B. had ever built
C. has ever been built D. had ever been built
试题答案
D
由“was”可知要用过去时，又由“the longest”可知有比较意味，要用完成时。