问题描述： he has his hair cut once month.对划线部分(once a month)提问 1个回答 分类：英语 2014-09-20 问题解答： 我来补答 How often does he have his hair cut?对频率提问用：how often 多久不明白的再问哟,请及时采纳,多谢! 展开全文阅读
