Thenewsuspensionbridge

问题详情：

The new suspension bridge ___by the end of last month.

has been designed  B. had been designed      C. was designed           D. would be designed

【回答】

B

解析：B句中有“by the end of+过去时间”结构，句子的谓语动词一般用过去完成时态。句子的主语是物，故应用被动语态。其正确*为B。

知识点：动词语态

题型：选择题