大多数不需要： winter break:I'm going skiing during winter break.我放寒假期间去滑雪. weekend:What are you doing next weekend?你下周末打算干什么? school day 前面也不需要：I can't play computer games on school days.我上学时不能打电子游戏. It's...

发布时间：2025-11-16 浏览量：26