He is seriously ill. His doctor said he is of death.A. at the edgeB. on the edgeC. at edg

发布时间：2020-08-16 07:45:02

He is seriously ill. His doctor said he is      of death.
A. at the edge
B. on the edge
C. at edge
D. on edge

网友回答

A. at the edge
(答案→)B. on the edge
C. at edge
D. on edge
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