___have been more than six years old when the accident happe

___have been more than six years old when the accident happe 05天津卷 I _______have been more than six years old when the ac I ____have been more than six years old when then acident ha When I was six years old I visited the Great Wall ,为什么when后面 He couldn't have been more than 18 years old,but already he When the girl was six years old,she could play the paino.改为同 1.I started to play the piano when I was six years old.(改为同义 When I was six years old, we met the first time. I started to play the piano when I was six years old .(改为同义句 When () the accident ()?A.was,happen B.did;happen C.is;happe when she was six years old,she showed a___calculating abilit Linda went to school when she was six years old .