◎ 题干
We don't know ________ it next. Let's go and ask Mr. Li.
[     ]
A. what to do
B. to do what
C. whether to do
D. to do whether
◎ 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“We don't know ________ it next. Let's go and ask Mr. Li. [ ]A. what to doB. to do what C. whether to do D. to do whether …”主要考查了你对  【宾语从句】  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。