◎ 题干
Measures must be taken to prevent pollution ________ happily.
[     ]
A. from we live  
B. for us to live
C. us living  
D. from our living
◎ 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“Measures must be taken to prevent pollution ________ happily. [ ]A. from we live B. for us to live C. us livingD. from our living…”主要考查了你对  【人称代词】【介词和介词短语】【不定式】  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。