◎ 题干
When we climbed up to the top of the mountain, we were all _______.
[      ]
A. out of the breath
B. short of the breath
C. out of breath
D. short of breaths
◎ 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“When we climbed up to the top of the mountain, we were all _______.[ ]A. out of the breathB. short of the breathC. out of breathD. short of breaths…”主要考查了你对  【介词和介词短语】  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。