◎ 题干
—Why do you want to go to the wetland?   
—_____ the different kinds of birds living there.  
[     ]
A. Keeping
B. To study
C. To keep
D. Study
◎ 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“— Why do you want to go to the wetland? — _____ the different kinds of birds living there. [ ]A. Keeping B. To study C. To keep D. Study …”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。