The construction of the two new railway lines by now． [ ] A． has been completed
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The construction of the two new railway lines ________ by now．
[]A．has been completed
B．have been completed
C．have completed
D．has completed
试题答案
答案：A
解析：本题考查完成时的语态。句意为：“两条新铁路线的建设到现在为止已经竣工了”。主语“The construction of the two new railway lines”和谓语“complete”之间是被动关系，所以排除C、D两项。construction 是不可数名词，谓语动词用单数，by now和完成时态连用。 |