◎ 题干
As a colleague he's great, but as a friend he's________failure. That's why their friendship ended in
________ruin.
[     ]
A. /; /  
B. /; a  
C. a; a  
D. a; /
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“As a colleague he's great, but as a friend he's________failure. That's why their friendship ended in________ruin. [ ]A. /; / B. /; a C. a; a D. a; /…”主要考查了你对  【不定冠词】【零冠词】  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。