He cut hia hair once a month这句话有什么错

He cut hia hair once a month这句话有什么错 he has his hair cut once month.对划线部分(once a month)提问 He usually his hair cut once a month.A、takesB、letsC、hasD、does 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 __. Be quiet!Our teacher______(talk)to us now John____________(cut)his hair once a week. Be quiet!Our teacher______(talk)to us now John____________(cut)his hair once a week. John _______(cut) his hair once a week.用所给动词的适当形式填空. 用所给动词的适当形式填空.John_____(cut)his hair once a week. he was already cut himself once when he cut himself again.请翻译、 Bill jumped off the tree.He ran after his father at once.(合并成一句）Bill ran after hia father ______ ______ ______ he jumped off the tree. 不动词不定式改写下列 his hair is to long.he needs to have it cut his hair needs___________________ He has his hair cut every month,does not he为什么用does not he ,而不用has not he He should cut his hair.这句话是什么时态?怎样改为被动语态? 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