That`s my brother.改为否定句

That`s my brother.改为否定句 That is my brother.改为否定句 that s my brother改为复数句 This is my sister.改为一般疑问句并做肯定回答 That's my brother改为否定句 My brother's used to hard work.改为否定句 My brother's used to hard work.改为否定句 My brother ____________ 1 That is my sister.改为一般疑问句 2 That is her brother.改为否定句 That' s my mother's book.改为否定句 this is my brother 改为否定句 My brother likes tennis. 改为否定句 That is my brother.改否定句. That·s my borther.(改为否定句）