◎ 题干
The committee _____ over the problem among themselves for two hours.
[     ]
A has argued
B has been arguing
C have argued
D. have been arguing
◎ 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“The committee _____ over the problem among themselves for two hours. [ ]A has arguedB has been arguing C have argued D. have been arguing …”主要考查了你对  【现在完成进行时】【主谓一致】  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。