描述作息习惯的句型 — 英语填空题
题目
Hello! I'm Bill. I go to bed at 9:00 p.m. and get up at 6:00 a.m. My sister Lily goes to bed at 10:00 p.m. and gets up at 7:00 a.m. 根据以上作息信息，补全句子：Bill goes to bed ___ hour(s) earlier than Lily, and Bill sleeps ___ hours every night.