◎ 题干
With the fresh water ____ short, we human beings are facing the danger of dying from thirst at any time.
[     ]
A. to run
B. be run
C. running
D. run
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“With the fresh water ____ short, we human beings are facing the danger of dying from thirst at any time. [ ]A. to run B. be run C. runningD. run …”主要考查了你对  【现在分词】【独立主格结构】  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。