he started to learn the piano when he was
he started to learn the piano when he was
He started to learn the piano when he was seven改为同义句
He started to learn the piano when he was five years old.
He started to learn the piano when he was five years old(改为同
句型转换。 1.He started to learn the piano when he was five years
He began to learn the piano when he was?(改为同义句)
When he was five ,he started playing the piano .(改为同义句)
I started to learn the piano when I was five years old.的同义句是
The boy started playing the piano when he was four years old
He started to learn English when he was 3.(改为同义句)
He started to learn English when he was three(改为同一句)
He started to learn English when he was 12 years old.(保持原句意思