Question

【题目】Generally Andrew takes advantage of the public transport, but _____ he drives to his workplace.

A.on scheduleB.on averageC.on purposeD.on occasion

Answer 1

【答案】D

【解析】

考查介词短语辨析。 句意：安德鲁通常乘公共交通工具去上班，但有时他也会开车去。A. on schedule按时，按预定时间；B. on average 平均；C. on purpose故意；D. on occasion有时、偶尔。根据“Generally Andrew takes advantage of the public transport”及表示转折关系的连词but可知此处表示“有时”，故D项正确。