He knew that cholera would never be controlled its cause was found.A. tillB. stillC. unti

发布时间：2020-08-16 20:08:23

He knew that cholera would never be controlled      its cause was found.
A. till
B. still
C. until
D. kill

网友回答

A. till
B. still
(答案→)C. until
D. kill
解析：考查：not/never …until,直到……才， 句意：他知道霍乱将永远不会被控制，直到它的起因被找到。故选C。
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