They work at 8 hours every day.哪里错了?

They work at 8 hours every day.哪里错了? They at school for six hours every day(对for eight hours提问） They at school for eight hours every day(对for eight hours提问） They had to work for 12 hours every day （改为反义疑问句） They work in field for two hours every day同义句 they work hard every day for they have eight lessons on every day哪里错了? are you have a com every day they work hard( )morning( )evening（at,on,from,to,w how many hours does he work every day? Every day he starts work at 8:00am and finishs work at 4:30p He eats the dinner at 6:00 p.m.every day.哪里错了 英语翻译They ( )( )at 8:00 a.m.every day