Zhong Nanshan，the famous medical scientist，has devoted most of his life ________ useful ways in treating cough diseases．
A．to finding B．find C．to find D．finding
科目：初中英語 來源： 題型：
Zhong Nanshan，the famous medical scientist，has devoted most of his life ________ useful ways in treating cough diseases．
A．to finding B．find C．to find D．finding
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