He began to write his own newspaper when he was fifteen years old.(同义句替换)____ ____ ____ ____15,he began to write his own newspaper.

问题描述:

He began to write his own newspaper when he was fifteen years old.(同义句替换)
____ ____ ____ ____15,he began to write his own newspaper.

At the age of
意思是,在他十五岁的时候,他开始写自己的报纸~

At the age of

At the age of