◎ 题干
He tried to invite some famous pop stars to sing in the concert _____, but failed.
[     ]
A. with free
B. for freely
C. with freedom
D. for free
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“He tried to invite some famous pop stars to sing in the concert _____, but failed. [ ]A. with free B. for freelyC. with freedom D. for free…”主要考查了你对  【介词和介词短语】  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。