He waited with his companionthe rescuers came, and then helped them carry her back down th

发布时间：2020-08-16 09:15:54


He waited with his panion    the rescuers came, and then helped them carry her back down the mountain.
A. when
B. until
C. unless
D. while

网友回答

A. when
(答案→)B. until
C. unless
D. while
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