C
be busy doing sth 忙于做某事

她正忙着扫卧室.he is having several months撇号，（）the baseball teama.trainb.trainingwithc.train for d, glad注明原因还有一个当然，我想他愿意sure,l think she撇好d( ) ()英汉互译Bseveral months' training 几个月的训练training是名词 with sb 和某人一起当然，我想他愿意sure,l think she撇好d( ) ()英汉互译love to