She is four. Im ten. She is my yoanger sister翻译

She is four. Im ten. She is my yoanger sister翻译 My sister swam for four years.She is ten now and she could s she is my sister. she is my littie sister. this is my sister还是she is my sister she is my mother's sister.She is my___________________【英语】 She is my sister and she is mother's d_____. She is my sister.改成否定句 She is my sister改为同义句 she is my sister改为一般疑问句 She is a friend ( )my sister's she is my sister.改为否定句.