sleep ,hours,about,usually,ten,I连词成句,拜托,马上要

He sleep about two hours Studdents must sleep for about nine hours every night? 英语翻译we only sleep about three hours a day.and we sometimes sleep standing up. How many hours do you sleep every night?回答about 8 hours 前面能加for吗 sleep ,hours,about,usually,ten,I连词成句,拜托,马上要 Eddie and Hobo sleep for about ten hours a day.对划线部分提问 Studdents must sleep for about nine hours every night?（划线部分提问 for about nine hours）( )( )must students（ ）every night sleep for 20 hours sleep 20 hours 哪一个更正确 Kangaroos sleep ( )hours a day. How long (did) you (sleep) last night?For about 5 hours.I (feel)so tired now.第三个填空不理解. Usually I sleep for eight or nine hours a night.中为什么要用介词for而不用介词about? 求一段英语翻译!(15)is a bicycle race all the way across the U.S.,from Irvine,Califoenia,to Savannah,Georgia.In this race,there are notime-outsfor sleep,so the racers can sieep only about three hours can each day.Winners complete the 2,900mil 英语9年级KIDs only get about nine and a half hours of sleep a night对（about nine and a half ）提问 About two hours later, eight hours' sleep 同义词 是不是eight-hour sleep I sleep for nine hours every night The baby _____(sleep) for two hours 选择：How long do you ( )every day Four about nine hours .A.sleep B.go yo bed C.be asleep D.asleep