here are some dolls,which one is __(she)?用her 还是hers

问题描述:

here are some dolls,which one is __(she)?
用her 还是hers

hers.
因为后面没有名词了,所以要用名词性物主代词.
如果后面有名词,则需要形容词性物主代词来修饰.