he began to play the piano when he was 5 years old的同义句改成这种形式he began to play the piano _____ ______ ______ ______ ______
问题描述:
he began to play the piano when he was 5 years old的同义句
改成这种形式he began to play the piano _____ ______ ______ ______ ______
答
when he was five years old,he started to play the piano.
答
He began to play the piano (at) (the) (age) (of) (five).