My hair wants cutting.这里为什么要用cutting 而不用被动语态to be cut 或者being cut?

My hair wants cutting.这里为什么要用cutting 而不用被动语态to be cut 或者being cut? my hair _ long pull my hair get in my hair My hair short. my hair am long. My hair is pull my hair 歌词 Father doesn't allow me ________ (swim)in the riverI need time ______(mend) my computer.Mr.smith wants to have his hair _____(cut) My hair cut和cut my hair w区别? comb my hair怎么读 Let My Hair Down 歌词 Whip My Hair歌曲链接 whip my hair 的歌词 ____(not pull) my hair. He got in my hair. My hair wasn't long make my hair cut,get my hair cut 和have my hair cut都对吗?