he has hair cut every month,为什么答案是doesn't而不用hasn't

have you ever cut your hair意思 He has his hair cut every month,does not he为什么用does not he ,而不用has not he he has his hair cut once month.对划线部分(once a month)提问 he has hair cut every month,为什么答案是doesn't he has hair cut every month,为什么答案是doesn't而不用hasn't He has his hair cut every month,______?A.has heB.hasn’t heC.does heD.doesn’t he He has white hair. He has no hair .He's b. He has ever visited beijing He should cut his hair(改为同义句） He should cut his hair(改为同义句） he should cut his hair.(改为被动语态） He should cut his hair.改为同一句 He shuold __ his hair __. he has the same hair cut as ____?A. she do B. I C. my D. mine 哪个对?是选第二个还是选第四个? He has black hair,black hair划线提问 have u ever tried to cut your hair by yourself?有没写错? He has short hair and big eyes. He has short hair(改为一般疑问句)