Those are her friends.中的her是什么句子成分

Those are her books her画线 提问 Are those your friend?做肯定回答. 连词成句：their,friend,are,those 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__. That's a penclil case in English.These are her brothers.>Those are my books.>Is he your friend?He isn't a man doctor. 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 This is her friend改为复数形式.2.This girl is my sister对my sister提问3.Those are my brothers改为单数形式.4.Is he your father?做否定回答.Are those his parents?做肯定回答 Is this his brother?(改为复数句子) Is he my friend?（做出肯定,否定回答） Those are her pencils.(改为单数句子)