◎ 题干
When and where to build the new factory _____ yet.

A. is not being decided
B. has not been decided
C. are not decided
D. have not decided
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“When and where to build the new factory _____ yet. [ ]A. is not being decided B. has not been decided C. are not decided D. have not decided …”主要考查了你对  【现在完成时的被动语态】【主谓一致】  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。