初中同步英语目录导航

问题:I cannot hear the professor clearly as there is to
提问者:1a1f5dafd
详细内容:

I cannot hear the professor clearly as there is too much noise ________ I am sitting.

 

  A. before                  B. until                        C. unless                      D. where

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回答者:1a1f5dafd       回答时间:2015-04-13 15:31:37
审核状态:未审核
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