—There is hardly an environment on earth—Some species of animals have not adapted successf

发布时间：2020-08-16 17:42:51

—There is hardly an environment on earth        
—Some species of animals have not adapted successfully.
A. to which
B. in which
C. for which
D. on which

网友回答

(答案→)A. to which
B. in which
C. for which
D. on which
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