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单选题
So far the construction of the two new bridges over the river （）.
A
have been completed
B
has been completed
C
has completed
D
have completed
参考答案
参考解析
解析：
考查主谓一致和语态。此处谓语形式应该与主语the construction一致，故谓语应该使用单数形式，故排除A和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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