问题
单项选择题
I only know the man by ______ but I have never spoken to him.
A. chance
B. heart
C. sight
D. experience
答案
参考答案:C
解析: 四个词均可与by连用。其中,by chance表示“偶然地,意外地”;by heart指“熟记”;know sb.by sight.意为“见过面,面熟,仅熟悉”;by/from experience是指“凭经验,从经验中”。从后半句看,显然C项符合要求。