问题 选择题

When paying for a taxi, he never looks at his wallet –just takes out one note ____ and hands it over.

A.by accident

B.on occasion

C.at random

D.on average

答案

答案:C

考查固定定语:by accident 偶然地,on occasion 偶尔, at random随便的,on average 平均的,句意:当给出租车付款的时候,他根本不看钱包,只是随便拿出一张支票递过去。故选C。

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