Elephants only sleep four hours at night 对four提问

Elephants only sleep four hours at night 对four提问 She said she only needed four hours' sleep a night中的need是需要的 1.--there days I can only sleep for four or five hours at ni i often sleep six hours at night(对画线部分提问) San skated for four hours 对划线部分提问 翻译A volunteer who had only been allowed four hours' sleep th sleep nine hours every night.(对划线部分提问) She sleep nine hours every night 对nine提问 the are twenty-four hours in a day.(对划线部分提问：twenty-four) Jack is only four years old.(对划线部分提问) It has four legs .对four提问 I have four books.对four提问