The magician picked three persons______ from the audience and asked them to help

游客2023-07-15 39

问题 The magician picked three persons______ from the audience and asked them to help him with the performance.

选项 A、by accident
B、on occasion
C、at random
D、on average

答案 C

解析短语辨析 by accident“偶然”；on occasion“有时，间或”；on average“平均，通常”；at random“随便地，任意地”。

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