【题目】I ________ an old friend of mine when I was in the corner shop having a cup of coffee.
A. came out B. came up with
C. came across D. came about
在线课程【答案】C
【解析】
考查动词词组。A. came out出现，出版，结果是； B. came up with提出； C. came across碰巧； D. came about形成，产生。句意：当我在街角的商店喝咖啡时，我遇到了我的一个老朋友。故选C。