【題目】The scientists ________most of their time _______ the research.

A. devoted; into doing B. devoted; to do

C. devoted; to doing D. devoted; for doing

【答案】C

【解析】

句意：科學(xué)家花費他們大多數(shù)時間做研究。devote time to doing sth花費時間做某事，故用to doing，故選C。

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