◎ 题干
_____ important for us _____wild animals and birds.
[     ]
A. It; protect
B. It; protecting
C. It's; to protect
D. They're; protect
◎ 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“_____ important for us _____wild animals and birds. [ ]A. It; protect B. It; protecting C. It's; to protect D. They're; protect …”主要考查了你对  【不定式】【it的用法】  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。