The city of Qingdao has been working on building itself up as a city of sails __
题型：不详难度：来源：
The city of Qingdao has been working on building itself up as a city of sails ________ it successfully hosted the 2008 Olympics’ sailing program.| A．after | B．since | C．when | D．until |
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答案
| B |
解析
试题分析：考查连词。题意：自成功举办08奥运游泳项目以来，青岛一直致力于建设航海城。现在完成进行时has been working提示用since引导状语从句。故B项正确。 |
举一反三
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