They're my uncles.改为单数形式.

They're my uncles.改为单数形式. they are my uncles改为否定形式 把They are my uncles.改为否定句快 They are my uncles.改为否定句 This is not my sister.缩句 they're my sisters改为疑问句 they’re my brother.(改为否定句) they are my uncles 改否定句 They're my cousin.(改为单数形式） They're my grandparents 选择.They are my uncles.They are------.A.boys B.woekers. They're f my mother They e my parents是什么意思? They're my dad改错 They're my grandparents（改为一般疑问句并作回答） this is my room.they're on the bed.改为一般疑问句作出否定. The one in the red is my teacher.They're driver.改为一般疑问句 My uncles work at the police station.They are _______(policeman). they invited my friend ,cousin ,uncles and aunts,and grangpaents. 为什么用两个and?