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题目内容
（运营管理）
The boy knew everything ___________ .( )
· the moment he was asked to stay behind
· whethe teacher started talking about honesty
· only some time later
· whehe was walking out of the room
· the moment he was asked to stay behind
· whethe teacher started talking about honesty
· only some time later
· whehe was walking out of the room
参考答案
