He devoted most of his time ______ making scientific discoveries.

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问题 He devoted most of his time ______ making scientific discoveries.

选项 A、in
B、with
C、to
D、for

答案C

解析 devote time to doing something为英语固定短语，表示“献身于，致力于”。其中to为介词，后接动名词作其宾语。

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大学英语三级B级

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