值班生应该在上课前分发练习本。
The student on duty should hand out the exercise books before class.
这些学生总是在课前唱一首英文歌。
开始上大学时，大多数学生都喜欢在真正开课前在校园里呆上一周。
When starting college, most students enjoy a week's stay on campus before classes actually begin.
如果你有其他的日常习惯，如锻炼身体、与家人通电话，你要在开课前将这些习惯融入到日常生活中，这样就能更好地结合这些习惯来进行日程安排。
If you have other daily routines, such as exercising or talking on the phone with family, work those into your day-to-day life before classes start so that you get a better idea of how they fit in with your schedule.
让我把这张课前画的图画完。
上课前我们做早操。
下课前，一个学生问最后一个问题是否算在我们的分数里。
Before class ended, one student asked if the last question would count toward our grade.
他讲课前总是先让学生做预备练习题。
下课前我们将进行一次测试。
就在上课前，玛丽摔碎了她的眼镜。
我的生物老师怀特先生在上课前五分钟来到了教室。
My biology teacher, Mr. White, came to the classroom five minutes before the class began.
每次数学课前，我都看到她要么在前面辅导同学，要么就是在把全班的作业整理在一起。
Before each math class, I see her either helping the class at the front, or bringing the homework of the class together.
课前复习来上课前做的笔记。
Before class, review your notes you have taken before you come to class.
你在上课前有预习的吗？
上课前检查一下麦克笔。
你们当然需要参与到讨论中来，并做好充分的课前准备。
Of course you will come to your discussion sections in the same state of joyful preparedness.
当你的老师在你的第一堂实验课前阅读和解释规则时，请仔细听。
Listen carefully when your teacher reads and explains the rules before your first lab lesson.
我必须在上课前匆匆写出一篇学期论文。
下一次或许我们，会在课前把它充上电。
他在上课前给我们讲了个非常幽默的故事。
一天上课前，梅根的父亲找来说想跟我谈谈。
我期待你们上课前都准备好了。
你们可以在课前或课后与我们交谈
You could talk to us at the beginning or at the end of class.
你们手头上东西，都是我们在上课前买到的。
So, these things here that you have in your hand, is the results of my spontaneously going to staples before class.
他不得不在7：10前起床，然后在课前晨跑。
He has to get up before 7:10 and go for a run before classes begin.
最好是在上课前就已经阅读过指定材料。
Ideally, keep up with the readings before you come to class.
我们如何让他在空手道课前做完家庭作业。
How we were going to get his homework done before his karate class.
我想第二天早点起来到学校，以便上课前完成作业。
I thought I could get up earlier to go to school the next morning so that I could finish my homework before class.
我想第二天早点起来到学校，以便上课前完成作业。
I thought I could get up earlier to go to school the next morning so that I could finish my homework before class.
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