Everybodyshowedgreatrespecttotheolddoctor,whodevotedev...

问题详情：

 Everybody showed great respect to the old doctor, who devoted everything he had to _____ the poor conditions of the local hospital.

     A. improving      B. improve         C. improved         D. being improved

【回答】

A

知识点：非谓语动词

题型：选择题