Everybodyshowedgreatrespecttotheolddoctor,whodevotedev...

問題詳情：

 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

知識點：非謂語動詞

題型：選擇題