◎ 题干
— I know nothing about it. You should tell me how ______. 
— No problem!
[     ]
A. do
B. to do
C. to do it
D. doing
◎ 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 know nothing about it. You should tell me how ______.— No problem! [ ]A. do B. to do C. to do it D. doing …”主要考查了你对  【不定式】  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。