Students ______ nine hours a day

速度解决初一下册英语题Students ______ nine hours a day. A sleep B sleep 5.Students ______ nine hours a day.A.sleeps B.sleep C.are sl you must keep your son ____ nine hours a day . students should sleep nine hours_____ A.every.day.B.everyday School students need eight hours of sleep a day,____? Students sleep_____nine hours every day. It is important for children ____(sleep) nine hours a day She usually sleeps (nine hours) a day对括号内提问 （）（）does she usu He work ______ hours a day(介词或副词） He sleeps nine hours every day.[对nine hours划线提问] We work for nine hours each day on weekends. My little brother sleeps nine hours every day.(划线提问)