So far the construction of the two new bridges over the river__________.

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问题 So far the construction of the two new bridges over the river__________.

选项 A、have been completed
B、has been completed
C、has completed
D、have completed

答案B

解析 句意:到目前为止,河上的两座新桥已经修建完成。此处谓语动词应该与主语the construction一致,故谓语动词应该使用单数形式,排除A、D两项;且complete与construction为动宾关系,故使用被动语态,所以选B。
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