sleep for 20 hours sleep 20 hours 哪一个更正确

来源：学生作业帮编辑：搜搜考试网作业帮分类：英语作业时间：2024/06/05 02:04:15

没有什么错误但是很怪
我们一般都说
you need to get up very early tomorrow morning,you only have 2 hours to sleep (from now).OR come on tell me more,you still have 20 hours to sleep.

sleep for 20 hours sleep 20 hours 哪一个更正确 sleep nine hours和sleep for nine hours The baby _____(sleep) for two hours I sleep for nine hours every night koalas sleep 20 hours ( )day. 1.a 2.an 3./ Theanimal usually sleep and（）20 hours every day. i sleep for eight hours.中的for必须用吗? students n＿＿＿ sleep for eight hours I never sleep for less than nine hours.中文是什么? Babies sleep for up to eighteen hours a day. I____(sleep)for only 3 hours last night Studdents must sleep for about nine hours every night?