◎ 题干
I don't know              he will come tomorrow,              he comes, I will tell you.

[     ]

A. if; whether
B. whether; whether
C. whether; 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 come tomorrow,he comes, I will tell you. [ ]A. if; whether B. whether; whetherC. whether; if …”主要考查了你对  【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。