I met my old friend ____________ on my way home from schoolA.by chanceB.on accidentC.by suddenD.on occasion
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A解析试题分析:考查介词短语:A. by chance偶然,B. on accident介词应该是by,也是“偶然地”,C. by sudden突然D. on occasion有时,间或。句意:在我放学回家的路上遇到了一个老朋友。选A。考点:考查介词短语辨析
点评:介词的考查重在积累。解题技巧: 1)明确词意 所选