Thenewsuspensionbridge

問題詳情：

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+過去時間”結構，句子的謂語動詞一般用過去完成時態。句子的主語是物，故應用被動語態。其正確*為B。

知識點：動詞語態

題型：選擇題