◎ 题干
(2013·江西南昌一模)It hasn't been made clear ________ the new underground line is to be open to traffic.
A.when B.that
C.what D.where
◎ 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“(2013·江西南昌一模)It hasn't been made clear ________ the new underground line is to be open to traffic.A.when B.thatC.what D.where…”主要考查了你对  【并列连词】【从属连词】  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。