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- Every day before class begins the teacher always calls the roll. 每天在开始上课前，老师经常要点名。
- Run through your notes before class. 上课前把笔记复习一下。
- I'll call the roll before class. 课前我要点名。
- I will call the roll before class. 课前我要点名。
- We do morning exercise before class every day. 我们每天课前做早操。
- You don't have to recite the text before class. 你不必在上课前背书。
- Did you revise/go over the lessons before class? 课前功课复习了吗?
- He always greeted Yaser warmly before class. 上课前他总是热情地与亚瑟打招呼。
- Please erase the blackboard before class. 请在课前，把黑板擦干净。
- Just one minute before class, Saro came over. 瓜花点缀的庭园，带来不少色彩。
- I ask you to make preparations for it before class. 我要求大家课前做好一定准备。
- How mang minutes are there to go before class? 还有几分钟（上课）？
- Please tune up your instruments before class. 请在上课前调好乐器的音调。
- Before class the teacher checked off each student as he came in. 上课前，教师要查看一下每个学生。
- May I suggest that you finish it before class is over? 我建议你们在下课前完成这个练习,行吗?
- I always talk with the people who sit around me before class. 上课前，我总是和周围的同学谈话。
- She meets Nancy in the school playground before class. 她上课前在学校操场上遇见南希。
- Open the classroom 10 minutes before class and let children in. 打开教室让学生装进入。
- Lubbock : No you should have thought about that before class. 教练：讲完了？现在你自己再翻译一下。
- Next time please put the eraser and chalk on the teacher's desk before class. 下次上课前请把黑板擦和粉笔放在老师书桌上。
