They at school for six hours every day(对for eight hours提问）

They at school for six hours every day(对for eight hours提问） They at school for eight hours every day(对for eight hours提问） We stay at school eight hours every day 对划线部分提问 He does sports for two hours every day.(对for two hours 提问） she sings for two hours every day.对for two hours 提问 my brother s____about eight hours at school every day We need to sleep for at least 8 hours every day.（划线提问） ___ _ L dance for two hours every day.对two hours 提问 Eddie sleeps for three hours every day(对画线提问) 注three hours 为 The market o____ for eight hours every day. we stay at school eight hours erevy day(对划线部分提问) Li Lei sieeps (for nine)hours every day.（对划线部分提问）急!