The magician picked several persons ______ from the audience and asked them to help him with the per...
2022-10-18 02:55:06 189次 2016届江苏省扬州市高三上学期期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The magician picked several persons ______ from the audience and asked them to help him with the performance.
A. by accident B. at random C. at risk D. on average
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