题目内容
10、The meeting had been on for half an hour _______ Miss Yang turned up.
A．while B．As C．Unless D．before
试题答案
10、D
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The meeting had been on for half an hour _______ Miss Yang turned up.
A．while B．As C．Unless D．before
查看习题详情和答案>>The meeting had been on for half an hour ________ Miss Yang turned up．
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A．while
B．as
C．unless
D．before