unemployment and crime are high, it can be assumed that the latter is due to the former. A. Before B. Where C. Unless D. Until [解析]B 考查状语从句用法.句意;哪儿的失业率高 ,哪儿的犯罪就率高,那可以认为是前者导致后者的原因 【查看更多】

 

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