she is my sister.改为否定句.

She is not my sister.改为肯定句【 】 【 】 my sister. she is my sister改为一般疑问句 She is my sister改为同义句 She is my sister.改为否定句 she is my sister.改为否定句. she is my sister. She is my sister（改为复数形式） They are girls(改为单数句子） She is my sister,(改为复数句子） She’s my sister.改为一般疑问句 she plays pingpong with her sister.改为否she plays pingpong with her sister.改为否定句 My sister is too young to go to school,she?改为反义疑问句怎么改? She is my sister(改为一般疑问句并作否定回答） My sister is so young that she can't read改为同义句 My sister is so old that she can go to school(改为简单句) She is my sister.对my sister提问 This is my sister.改为复数形式、 That is my sister改为复数形式 This is my sister.(改为一般疑问句)