题目内容

___ the employees' working efficiency, the supervisor will allow them to have a coffee break.
A.ImprovingB.To improveC.Having improvedD.Improved
B
考察不定式做目的状语。意思说:为了改善员工的工作效率,老板允许他们有喝咖啡休息时间.to do 可以表示为了…. 实际上等同于in order to,so as to.
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