Her sister is her best friend.里面两个her是一个意思吗?

His sister is doing her homework 对her homework 提问 That is her sister.(变为复数句) - - her - Maybe her sister is in her office.改为同义句 Her sister is similar to her mother改为同意句 Her sister is cleaning her room改为一般疑问句____ her sister____ her room 改错 Her sister is taller than she.! Emma is her sister 改成Emma____she____ ______. Emma is her sister变成同义句 linda is dancing 什么 her sister Her sister is my c______ friend. she is b her sister this evening. Miss Li is taller( )her sister. The girl is her elder sister Kate is her sister.改为否定句 Is this her sister 用NO回答 Her sister is twelve.So is my sister（合并）Her sister is ____ ____ ____ ____my sister nancy with her sister( )going hiking.括号中的be动词是用is还是are Her sister is her best friend.里面两个her是一个意思吗?