he became a piaon champion when he was ten years old 改为同义句
问题描述:
he became a piaon champion when he was ten years old 改为同义句
答
He became a piano champion at the age of 10.
答
he got the gold medal in a piaon competition when he was ten years old. I wish you take it.
答
He became a piano champion at the age of ten.