Amy usually sleeps ________ (litter) than five hours every night .此题我知道答案是 less ,但是hours不是可数名词吗,为什么不用fewer?求理由

Amy usually sleeps ________ (litter) than five hours every night .此题我知道答案是 less ,但是hours不是可数名词吗,为什么不用fewer?求理由 英语高手快进,十万火急!翻译 带那边所有的食物提问Daniel usually does more than two hours of sport every day.划线more than two hours .----- ----- ----- -----Daniel usually -----every day?Amy usually sleeps----(little)than nine ho amy sleeps in a room and her sister sleeps in another room（该反问句） He usually sleeps and ___(relax) 20 hours every day. she usually sleeps ______(little)than eight hours at night Amy usually rides a bike to school 同意句 Amy usually goes to school___ ___ ___ Amy usually sleeps _____(little)than five hours接上句every morning My brother often goes to school without_____(eat)breakfastHe brushes his teeth____(two)a dayThose ____(dance)need a lot of energyThe boy ______(call)Milk is my brother They usually exercise ._ _ they usually (对打“”部分提问) 把He usually sleeps and relaxes 20 hours every day.改为一般疑问句. He usually sleeps and relaxs 20 hours every day.的中文翻译 She usually goes to bed at 11:00.She sleeps ____ he usually sleeps and relaxes 20 hours every day.为什么不要加for? He usually sleeps 15 hours every day(对划线部分提问） He usually sleeps and relaxes 20 hour(同义句） He___usually___and___ ___/___ _____20 hours Larry usually sleeps and relaxes _20_ hours every day.(对划线部分提问 He usually sleeps () 12 hours a day.A.on B.at C.for Dacid usually sleeps for nine hours every day 同义句在等 Danid usually sleeps for nine hours every night 改为同义句?