is this handbag hers 的语法结构是啥?为什么用hers 而不用her？

is this handbag hers 的语法结构是啥?为什么用hers 而不用her？ hers 不是说是名词性物主代词吗?怎么这句话（Is this handbag hers)中有个handbag这个名词呢?Is this handbag __?A:her B:hers C:she,s D:she 正确答案怎么是B:hers hers 是名词性物主代词,就是代替了名词.而handbag( this is handbag对不对呢 Is this hers bag? Whose is this handbag?复数形式是什么 is this your handbag?是什么句型? 例句1：shirt/Tim Whose is this shirt?It's Tim's.It's his shirt例句2：handbag/Sophie Whose is this handbag?It's Sophie's.It's (her/hers) handbag.请问例句1 里那个his是人称代词所有格形式吗?如果是所有格形式.后面那个shi is this your handbag 和this is your handbag 有什么区别啊 This is stella’s handbag.This handbag is stella's.这两句哪句对?还是都可以? is this a handbag和is this your handbag 是不是意思不一样了 This letter is hers.用hers进行划线提问 This pencil is hers,hers 不能是 her Excuse me.Yes.Is this your handbag.Pardon.Is thExcuse me.Yes.Is this your handbag.Pardon.Is this your handbag.Yes,Eat,s.Thank you very much. （ How much）is this beautiful handbag?handbag是可数名词为什么用How much this bag is hers.改为同义句 this ruler is hers.改一般疑问句 英语句子this bag is hers. Is this chair[she her hers]?