I sleep nine hours every night.这句话表达正确吗?

I sleep nine hours every night.这句话表达正确吗? I sleep for nine hours every night i need nine hours' sleep every night.改为同义句 i sleep nine hours every night 划线提问 I sleep nine hours every night.(划线提问)划的是nine She sleep nine hours every night 对nine提问 【句型转换】I sleep for {nine} hours every night .(就｛｝部分填空) ------ 每晚我睡九个小时 I sleep ---- nine hours every night. every,sleep,night,I,hours,nine,连词成句 food,to,me,good,exercise 【句型转换】I sleep for {nine} hours every night .(就｛｝部分填空) sleep nine hours every night.(对划线部分提问) Studdents must sleep for about nine hours every night?