◎ 题干
I don’t know if he ________ back tomorrow. If he ______ back, I’ll let you know.
A. comes; will come             B. will come; came      C. will come; comes
◎ 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“I don’t know if he ________ back tomorrow. If he ______ back, I’ll let you know.A. comes; will come B. will come; came C. will come; comes …”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。