sleeps for nine hours同义句

sleeps for nine hours 的同义句 sleeps for nine hours同义句 Danid usually sleeps for nine hours every night 改为同义句? Dacid usually sleeps for nine hours every day 同义句在等 David usually sleeps for nine hours every night.改为同义句怎么改?急 She sleeps nine hours.为什么nine前不要加for? He sleeps for nine hours over night的问句 i need nine hours' sleep every night.改为同义句 My little brother sleeps nine hours every day.(划线提问) My brother often sleeps f____ nine hours a night. kate sleeps nine hours every night中对nine hours提问 He sleeps nine hours every day.[对nine hours划线提问]