◎ 题干

________ excited Geoff Marcy most was ________ there were planets in other solar system where life might exist.
A.It; ifB.That; whetherC.What; whetherD.What; that
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“________ excited Geoff Marcy most was ________ there were planets in other solar system where life might exist.A.It; ifB.That; whetherC.What; whetherD.What;…”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。