Black () all his energy to his experiments,because he wanted to prove that his theory was right.

分类: 作业答案 • 2021-12-31 10:49:10

问题描述：

Black () all his energy to his experiments,because he wanted to prove that his theory was right.
A.devoted B.increased C.supported D.fell

答

A.devote...to 奉献的意思