Those are books 改为单数句子急

Those are books 改为单数句子急 Those books are ours.(改为单数） 将：Those are English books.改为单数句子 Are those books yours?(改为单数形式） what are those?改为单数 Are those apples 改为单数 同义句转换：These are my books.改为单数句：Those are red appies. are those our english books?改单数 those are our chinese books改单数 those are her books 改成单数 Those are your books.改为单数形式要怎么改?------your--------.是这样的回答形式。 those are boys.改为单数句 改为单数句:Those are orange oranges. those are my brothers.改为单数句 Are those his friends?改为单数形式 Those are my friends 改为单数句 Are those your friends?(改为单数句) Those are some keys.(改为单数）