人们可以白天工作，晚上再来夜校上课。
People can go out to work in the daylight hours and then come to night school in the evening.
那个班一上课总得过一会儿才能安静下来。
It always takes the class a while to settle down at the start of the lesson.
没有强求学生上课。
我在上课学防身术。
有些人不愿来上课，部分原因是所需的费用问题。
Some people are unwilling to attend the classes partly because of the cost involved.
老师警告说，如果他们上课时继续使用手机就予以没收。
The teacher threatened to confiscate their phones if they kept using them in class.
很多大学认为学生出于自愿比被逼迫上课能学到更多的东西。
Many universities argued that students learned more when they were in classes out of choice rather than compulsion.
对，没上。我星期一没有上课。
我们不得不推迟上课。
他们上课不专心，我想他们还会继续这样做。
They didn't pay any attention to the class, and I think they will keep doing this.
如果学生几天不能来上课，他们需要提前请假。
Students need to ask for a leave ahead of time if they can't go to school for several days.
西蒙走着去上课。
只能在周末上课。
九月份开始上课。
我帮上星期缺席的人打印了些上课的要点。
I have typed out some lecture notes for the benefit of those people who were absent last week.
上课时她一直不专心。
就在上课前，玛丽摔碎了她的眼镜。
他们上课的时候电池正在充电。
当我在家上课的时候，我讨厌它。
他们也可以通过上课获得分数。
如果你是初学者，最好去上课。
好好照顾自己，别担心上课的事。
花时间看看你在哪座大楼上课。
Take some time to check out the buildings where your classes will be held.
玛丽今天没来上课，因为她住院了。
我们不可能按您要求的时间上课。
It's impossible for us to give lessons at your requested time.
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.
他上课几乎不听，也不用功。
老师问李华为什么上课迟到。
这是萨姆每天去上课都要面对的情况。
This was the situation Sam faced each day as he went to class.
他们将用电脑在网上上课。
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