题目

—How did you find him out? —I ________ his name by chance on the list. A．came down　　　       B．came out C．came up           D．came across   答案： D come down 下降；come out 出来；(花)开放；(书等)出版；come up 走近，接近；come across 偶然发现或遇到。  

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