省略与倒装的题``once a month ____me while ___in hospitalA.did he co

省略与倒装的题``once a month ____me while ___in hospitalA.did he co he has his hair cut once month.对划线部分(once a month)提问 He watches TV twice a weekI shop once a month He writes to his mother (once a month)对括号里的提问 He usually his hair cut once a month. ONCE IN A WHILE 的意思 __a month does he write to his parents?Once a month A How of once in a while he goes to the movies once or twice a month 对once or twice提问 once a month 和 a month once 意思一样吗? I shop once a month MM进.关于女生once a month 的问题.