Are those her erasers改为单数句

those are (they) eraser适当形式 Are those your eraser?Yes they're（） Those are her books her画线 提问 把these are my friends变为一般疑问句 把Are those eraser变为单数句 Those are her photos改为单数形式~ Are those her friends?(作否定回答) Are those her erasers改为单数句 Those her pencils are red 改错 Those are her jeans改为同义句 those are her cousins （改为单数形式) those are her books 改成单数 Those her pebcils are red .改错 those are her 后面应填什么? Those are her trousers.(改成同义句)Those trousers are__. her eraser音标 选择正确的词填空：mine yours his hers ours theirs 1.this is her eraser.this is------.2.this is my glue.this is------.3.that is our folder.that is-----.4.these are his crayons.these are------.5.those are your books.those books are------.6this Those are her friends.中的her是什么句子成分 those are her yellow socks .对her yellow socks提问