I happened to meet Mr.Smith at the school gate.同意句转换三种

I happened to meet Mr.Smith at the school gate.同意句转换三种
I happened to meet Mr.Smith at the school gate.
同意句转换三种

I happened to meet Mr.Smith at the school gate.同意句转换三种
我给你提供四种：
I met Mr.Smith by chance at the school gate.
I met Mr.Smith by accident at the school gate.
I ran across Mr.Smith at the school gate.
I came across Mr.Smith at the school gate.
不明白的再问哟!请记得采纳,多谢!