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

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
英语人气:610 ℃时间:2020-06-09 04:45:08
优质解答
A.devote...to 奉献的意思
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