"Mum isn't at home for a long the things are at sixes and Here,at sixes and sevens"what's this mean

Sorry,my mum isn't at home.Can I take a _(消息) for you? At sixes and sevens...Mum isn't at home for a long the things are at sixes and sevens ,at sixzes and sevens（意思是）： Mum isn't at home for a long the things are at sixes and Here,at sixes and sevenswhat's this mean Mum isn't at home for a long the things are at sixes and Hereat sixes and sevens（意思是）? M_____ he isn't at home There isn't someone at home.对吗? 王梅isn't at home同义句 Mr.Wang isn't at home.He is at w() He isn't at home.同义句转换 He isn't at home.写出同义句 bill isn't at home,is he?回答 home,at,isn`t,Mike(,)连词成句.` tom isn ,t at home(同义句） There isn't much____(food) at home 回答 he isn't in=he isn't at home吗? He must be playing computer games at home,isn't he,为何用isn't he? Billy isn't at home.He isn't _____.He's _______.填介词 Mum isn't in at the monent ,can I take a message ( ) her?