i sleep nine hours every night 划线提问 ______ ______ hours do you sleep every night? 1.i sleep (nine hours) every night 2.i sleep (nine) hours every night 这两个划线提问一个划nine hours 一个划nine 二者有何区别 分别该填什么词?
如果填How long do you sleep every night? 回答应该是 I sleep (nine hours) every night 如果填 HOW many hours do you sleep every night? 回答应该是 I sleep (nine) hours every night