◎ 题干
China _______________a high-speed railway network covering almost all its cities with a population of of more than 500,000 by 2015.
A.is setting upB.will set up
C.has set upD.will have set up
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“China _______________a high-speed railway network covering almost all its cities with a population of of more than 500,000 by 2015.A.is setting upB.will set upC…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。