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Every means .No one is effective. [ ] A. have been tried B. have tried C. has be

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Every means .No one is effective. [ ] A. have been tried B. have tried C. has be

Every means ________.No one is effective.

[]A.

have been tried

B.

have tried

C.

has been tried

D.

has tried

试题答案

答案:C

解析:

本题意思是“任何办法都试过了,但都没有效”。means“方法,办法”,单复数同形,此处可看出它表单数意义。