those aren't my cousins改为单数形式

those aren't my cousins改为单数形式 those aren't keys单数形式 Those aren't keys.改为单数句子 Those aren’t ID cards 改为单数 They aren;t my grandparents.（改为单数形式） No, they aren't.改为单数形式 Are these your cousins改为单数形式 将Those aren't my brothers.改为一般疑问句 they aren't orange oranges.改为单数形式 There aren't any castles.改为单数形式 1.They aren't reading the books.(改为单数形式) Those aren't my brothers