◎ 题干
— Every means _____ been tried so far to deal with the oil spill (漏) in the Gulf of Mexico.
— But few _____ effect.

[      ]

A. have, take
B. had, takes
C. has, takes
D. has, take
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— Every means _____ been tried so far to deal with the oil spill (漏) in the Gulf of Mexico. — But few _____ effect. [ ]A. have, take B. had, takes C. has, …”主要考查了你对  【现在完成时】【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。