Eric has been learning to sing since he was 8 years old (改为同

Eric has been learning to sing since he was 8 years old (改为同 Eric has been singing since he was 8 years old改为同一句 Eric has been singing since he was 8 years old改为同义句 rose has been learning french since she was eight years old Tom has lived in the country since he was 10 years old.改为否定句 He started to learn the piano when he was five years old(改为同 He started learning English when he was three years old.(改写同 连词成句：collecting,since,years,ten,old,was,he's,been,matches,he 3.——( )has he been in Beijing —— Since he was three years ol Jim could sing when he was five years old.（改为同义句） Jim could 连词成句Peter he has years was Chinese deen old studying since s He ____ Hong Kong since ten years ago.A.has been to B.has go