Time waits for no man． But some people won't realize the importance of time______it's gone． A. as B....
2022-07-03 04:59:17 204次 江苏省南京市树人学校2019-2020学年九年级下学期3月月考英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Time waits for no man． But some people won't realize the importance of time______it's gone．
A. as B. since C. when D. until
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