问题
选择题
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
答案
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。
搜题请搜索小程序“爱下问搜题”