◎ 题干
I don’t know if he          tomorrow. If he        tomorrow, I will ring you up.
A.comes, comesB.will come, comes
C.will come, will comeD.comes, will come
◎ 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 tomorrow. If hetomorrow, I will ring you up. A.comes, comesB.will come, comesC.will come, will comeD.comes, will come…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。