◎ 题干
It is reported that the Underground Line No.3 ____ in our city in 2012.

[     ]

A. is to build
B. is to built
C. is to be built
D. is to been built
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It is reported that the Underground Line No.3 ____ in our city in 2012. [ ]A. is to build B. is to built C. is to be built D. is to been built …”主要考查了你对  【不定式的被动式】  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。