Recent research has the cause of the disease.A. thrown offB. thrown openC. thrown outD. th

发布时间：2020-08-16 12:20:54


Recent research has       the cause of the disease.
A. thrown off
B. thrown open
C. thrown out
D. thrown light on

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A. thrown off
B. thrown open
C. thrown out
(答案→)D. thrown light on
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