I happened to Mr.Smith at the school gate.的同意句转换三种
问题描述：
I happened to Mr.Smith at the school gate.的同意句转换三种
答
I、【met】Mr.Smith at the school gate【by】【chance】2、【met】Mr.Smith at the school gate【by】【accident】.3、I 【came】【across】Mr.Smith at the school gate【occasionally】.无疑后请采纳.书山有路勤...