◎ 题干
(2013·青岛一模)Scientists are still wondering ________ the Egyptians built the pyramids so long ago.
A.how it is that B.how is it that
C.it is how that D.that how it is
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“(2013·青岛一模)Scientists are still wondering ________ the Egyptians built the pyramids so long ago.A.how it is that B.how is it thatC.it is how that D.that how…”主要考查了你对  【状语从句】【限制性定语从句】【主语从句】【同位语从句】  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。