◎ 题干
I don’t know       he will win tomorrow. I never doubt       it will rain tomorrow.
A.if, ifB.if, thatC.whether, whetherD.that, if
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“I don’t knowhe will win tomorrow. I never doubtit will rain tomorrow.A.if, ifB.if, thatC.whether, whetherD.that, if…”主要考查了你对  【助动词】【介词短语】【固定搭配】【疑问词组】  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。