I don't know her

I don't know her I don't know her,but I know her name.为什么用her不用his I don't know her telephone number的意思 -- I don't know ____makes her different from others -- Hones sorry I don't know her last name同义句 I don't know what happened to her. I don't(know)the teacher,but I(know about)her.可以换成know about I don‘t know I don't know I don't know. I want to help her but I don't know what I can do to her （i don't know her name i know she is 19 years