The magician picked several persons______from the audience and asked them to hel

游客2023-12-31  29

问题 The magician picked several persons______from the audience and asked them to help him with the performance.

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

答案 B

解析 习语辨析。A.by accident偶然;B.at random随便地,任意地,胡乱地;C.onoccasion有时;D.on average平均起来;因此B为答案。
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