Who she was和Who is she有何区别

Who she was和Who is she有何区别 who she is 和who is she有什么区别 who is she和 who she is 区别 who is she和 who is that有什么区别,如何回答 who is she? who she is? who she is... 请问 who is she? who is her和who is she哪个对 who is her 还是 who is she who is she.she is apple who taught和who did teach有何区别