问题
选择题
The UN _____ the documents to save the environment in 2007 and they work well all over the world now. [ ]
A. drew up
B. built up
C. gave up
答案
答案：A
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The UN _____ the documents to save the environment in 2007 and they work well all over the world now. [ ]
A. drew up
B. built up
C. gave up
答案：A