改为同义句 Is this your ball?

改为同义句 Is this your ball? Is this your soccer ball改为同义句 Is this your ball? 同义句 This is a white ball.(改为同义句） is this you soccer ball?改为同义句 Is this your ruler?改为同义句 Is This your photo改为同义句 Is this your phone?改为同义句 Is this your ball 同义句Is this 《2个空》 whose is that ball 改为同义句 whose ball is this?改同义句 This is my ball.改成同义句