These students always sing an English song before class.
这些学生总是在课前唱一首英文歌。
The student on duty should hand out the exercise books before class.
值班生应该在上课前分发练习本。
He practised the dialogue with his deskmate several times before class.
在课前他和它的同桌同学把那篇对话练习了好几遍。
It's required for every high school students to preview the lessons before class.
课前预习功课是每位高中学生必须做的。
Critiques and assignments should be completed by noon, the day before class meets.
评论和作业应在下次课前一天中午以前完成。
It's best to practice on an empty stomach. So, no food for a couple of hours before class.
练习瑜珈最好空腹进行，因此在瑜珈课开始之前的两个小时内都不要进食。
I was not late for class yesterday, just having no time to hand in my homework before class.
昨天我上课并没有迟到，只是来不及在课前交作业。
It is important that stretching is done before class, during class and most definitely after class.
重要的是，在上课前做完伸展运动，在运动时活动肯定会耽误课程。
Before class starts or at home, if you know what the lecture is on, try to read the chapter before class starts.
在课程开始之前或者是在家里，如果你知道这个课要讲什么，试着在课程开始之前看看这章的内容。
Before class, the teacher will hand some relevant materials to us and require us to prepare well for the course.
每周课前老师都会发相关资料给我们，让我们准备，然后上课时再进行小组与小组间的谈判活动。
They usually take the books from their own lockers, then go to find the right classroom before class begins.
他们通常在上课前从自己的储物柜里取出要用的课本，然后再去找上这节课的教室。
So, these things here that you have in your hand, is the results of my spontaneously going to staples before class.
你们手头上东西，都是我们在上课前买到的。
They gave them readings and quizzes to finish before class so they would come prepared to discuss the material.
课前他们先给学生提供阅读材料和需要完成的测验，以便他们上课时准备好进行讨论。
Secondly, you have to prepare lessons before class that will help you understand what the teacher says in the class.
其次，你要预习，这样可以让你理解老师在课堂上说的东西。
Visit the course website and read about your classmates' selections before class. We will review and discuss the sites in class.
浏览课程网站，并在课前阅读关于同学们选择的研究点的资料。我们将在课堂上检视和讨论这些研究点。
When you do your assigned readings before class, you establish "drawers and files" for the information you hear in class lectures.
当你在上课前做指定的阅读时，请你为会在课上听到的信息建立“抽屉和文件”(即了解所学知识的整体框架)。
If you have a hard time understanding the material as the professor presents it, prep the concepts before class by reading the textbook.
如果你觉得教授罗列的材料难以理解时，那么先在课前通过阅读课本预习一下概念。
Our expectation is that you will have done the readings, reflected on them and the questions we will pose about them for you to consider before class.
期望你在课前完成阅读，思考其内容和我们发布与阅读有关的问题。
PLEASE, make sure you tell the instructor BEFORE class if you are injured, have past injuries that need to be considered, or have any other health concerns.
请确保在上课以前告诉你的导师你是否受过伤，或者是有其他健康上的问题。
With a gentle look on her face, she paused and said, "Before class is over, I would like to share with all of you a thought which I feel is very important."
她脸上带着温柔的表情，稍稍停顿了一下，便开始讲话：“在放学前，我想跟你们分享一种我认为很重要的想法。”
He'd never been in a class before and he was not even sure that he should have been teaching.
他以前从未讲过课，他甚至不能确定自己是否应当从事教学。
I had just enough time to finish eating before the bell rang and I was off to my first class.
我在铃响前刚好有时间吃完，然后就去上第一节课了。
My biology teacher, Mr. White, came to the classroom five minutes before the class began.
我的生物老师怀特先生在上课前五分钟来到了教室。
Before each math class, I see her either helping the class at the front, or bringing the homework of the class together.
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。
You're taking a journalism class and you've done some reporting before in high school, right?
你在上新闻学的课，且以前在高中做过一些报道，对吗？
You're taking a journalism class and you've done some reporting before in high school, right?
你在上新闻学的课，且以前在高中做过一些报道，对吗？
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