第八空有most、Each、Every、All哪个合适

第八空有most、Each、Every、All哪个合适 every each all most区别 each,every怎样区别? every,each的区别 each,every区别 It affects.--living things in the world.A,every .B.each.C.all D.most大家最好说说为什么 Most people need seven to ten hours of sleep _____24 hours A：each B：every 说明原因, 两道英语语法题（ ） ＿＿＿of us has an electronic dictionary and ＿＿＿ one of us can look up new words in it .(A).Every,each (B).Each,every ,可是不明白为什么(C)Every,every (D).Each,each （ ）Half of the class ＿＿ most of each,each of,every,everyone的区别 each student还是each students,every student还是every students? each与 every的区别 each和every的区别 each与every的区别 each和every的区别 all each every的区别 each every all 的区别 each,all,every的不同 every ,each,和each of 后面用单数还是复数