________the working efficiency，the boss allows the employees to have a coffee br
题型：不详难度：来源：
________the working efficiency，the boss allows the employees to have a coffee break.| A．Improving | B．To improve | | C．Having improved | D．Improved |
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答案
| B |
解析
句意为：为了提高工作效率，老板允许员工有一个喝咖啡休息的时间。不定式作目的状语，故选B项。 |
举一反三
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