The meeting was expected to start at 9 oclock but the manager didnt turn up twenty minu

发布时间：2020-08-17 11:24:50

The meeting was expected to start at 9 o'clock but the manager didn't turn up      twenty minutes later.
A. before
B. until
C. after
D. since

网友回答

A. before
(答案→)B. until
C. after
D. since
解析：本句含到了时间状语从句，也可以看成是not…until…结构，意为“直到…才…”。句意为“直到20分钟后经理才出现”。
以上问题属网友观点，不代表本站立场，仅供参考！