When I was ten years old的同义句

When I was ten years old的同义句 when he was ten years old 的同义句 When I was seven years old 同义句 When I was five years old, I could play the piano well.的同义句 I started to learn the piano when I was five years old.的同义句是 同义句转换：1、 Lucy could speak English when she was ten years old he became a piaon champion when he was ten years old 改为同义句 When he was ten years old ,Tom lived byhimself改为同义句 he could use computers well when he was ten years old同义句 有关同义句~when he was ten years old Edison built a chemistry for I began to learn English when I was ten years old改为简单句是什么 .when i was ten.when i was ten years old 这两句话都对吗