The bridge( )by the end of last month.

The bridge( )by the end of last month.


A、

has been designed


B、

had been designed


C、

was designed


D、

would be designed


【正确答案】:B
【题目解析】:

本题考查对过去完成时的被动语态的判断与使用。

by the end of last month意为“到上个月底为止”,故谓语为过去时间点之前发生的动作,应使用过去完成式,且“bridge桥”与“design设计”的逻辑关系为被动,过去完成时的被动语态为“had been done”,B选项符合题意。

句意:这座桥是上个月底设计的。


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