Thescientistdevotesallhislife_thisimportantproblem.A.to stud
3个回答

The scientist devotes all his life_ this important problem.

A.to study B.to studying

C.studying D.in studying

选 B

考点:devote to doing sth

句意:这个科学家把他的一生都风险在这个重要的问题上了.

再如:

She has devoted all her time to helping the sick.

她把所有时间用于照顾病人.