Recent research has _______ the causes of the disease.A. thrown light in B. caused light on C. take light of D. cast light on选什么

分类: 作业答案 • 2021-12-20 03:15:33

问题描述：

Recent research has _______ the causes of the disease.
A. thrown light in B. caused light on
C. take light of D. cast light on
选什么

答

选D.cast light on意思是使明白,阐明.