Every means , but none proved . A．have tried; a success B．have been tried; successful C．has tried; t...
2022-12-22 00:39:34 205次 2011-2012学年云南省景洪市高三上学期期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Every means , but
none proved .
A．have tried; a
success B．have been
tried; successful
C．has tried; to
be successful D．has been
tried; successful
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