My hair is shorter than her hair.
请及时采纳,多谢!是带有has的那种题目到底还有哪些已知条件，请说清楚，不然很难做。对不起啊我只记得是she has hair·····用比较级She has hair （which is） longer than me.这样就好做了。括号内的可以省略。两可。