occupied frequency bandwidth是什么意思及反义词

occupied frequency bandwidth是什么意思及反义词 frequency ______herself with daily office tasks,she had no time to look after her childrenA.Occupying B.Occupied C.Being occupied D.To be occupied ________ himself in looking after the children,he had little time to finishA.Occupied B.Occupying C.Having been occupied D.Being occupied occupied floor _____in his work,the boy didn't notice me.A.To occupy B.Occupied C.OccupIed himself D.Occupy请讲理由 VIDED FREQUENCY Frequency是什么意思 frequency是什么意思 frequency word frequency amplitude be occupied with造句 I keep myself occupied. be occupied in doing occupied什么意思啊? enemy-occupied area是什么意思 what kind of work does your sister do?she was ____as a writerA occupied B hired C worked D employed 英语单项求教 高手进 回答详细点 不要复制的!The mother , ________ in the kitchen , totally forgot the medicine on the table within the child's reach. A occupied B to be occupied