◎ 题干
Several companies are__________ each other__________ a contract(合约).
[     ]
A. competing against, for            
B. competed ,with
C. compete with, against            
D. competing with, to
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Several companies are__________ each other__________ a contract(合约).[ ]A. competing against, forB. competed ,withC. compete with, against D. competing wit…”主要考查了你对  【介词和介词短语】【动词短语】【现在进行时】  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。