问题
选择题
The professor devoted all his life __________ the treatment of AIDS.
A．to research
B．in researching
C．to researching
D．at researching
答案
答案：C
考查短语devote to的用法。此处to为介词，其后跟动名词。
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The professor devoted all his life __________ the treatment of AIDS.
A．to research
B．in researching
C．to researching
D．at researching
答案：C
考查短语devote to的用法。此处to为介词，其后跟动名词。