Many students hated to have classes on DingTalk, so they gave it one-star reviews.
许多学生讨厌在钉钉上上课，所以给钉钉打了一星评价。
Our teachers organized online teaching for us, and we were able to have classes through the new way of teaching.
我们的老师为我们组织了在线教学，所以我们现在可以通过新的教学方式上课了。
我一直都在上课！
Good idea! We don't have classes on Saturday.
好主意！我们星期六不上课。
According to a survey, 24% of the Junior students in Beijing have classes at the weekend.
据一项调查显示，北京24%的初中生周末都要上课。
They usually have classes for different things like tennis, basketball, swimming and so on.
他们通常有不同的课程，如网球、篮球、游泳等。
We have classes that discuss artificial intelligence within the computer science department.
我们计算机科学系有讨论人工智能的课程。
Then we would have classes or go on a sight seeing trip to different places of interest like Big Ben.
然后我们会上课或去不同的名胜古迹，像大本钟。
If we don't have classes tomorrow, we will go to watch a film.
如果明天没有课，我们就去看电影。
Like all objects, they have classes.
与所有对象一样，它们都有类。
They still have classes on Saturday.
他们在星期六仍然上课。
We have classes from Monday to Friday.
我们星期一到星期五有课。
Search engines provide hundreds of free candidates, and companies such as Brownbag recruiter and JobMachine now have classes to teach recruiters how to use search engines to source candidates.
搜索引擎提供了上百个免费的候选人，并且一些职业介绍公司设有专门的课程教招聘人员如何有效的利用搜索引擎找到合适的候选者。
We have increased the number of teachers but the size of the classes hasn't changed proportionately.
我们已增加了教师的数量，但班级的大小并没有成比例地改变。
The two colleges have a reciprocal arrangement whereby students from one college can attend classes at the other.
两所学院有一项互惠协定，允许学生在院际间选课。
You have a choice of coed or single-sex swimming exercise classes.
你可以选参加男女混合或是非混合的游泳练习课。
Do you have any online classes?
你们有线上课程吗？
Online classes still have advantages.
线上课程仍然有其优势。
Some classes have hundreds of students.
一些班级有上百人。
Do you have the computer science classes?
你有计算机科学课程吗？
I have English classes and Chinese classes.
我有英语课和语文课。
我们有十四节课。
我有五门课。
I have eleven classes every day.
我每天有十一节课。
我们不得不推迟上课。
我们不得不推迟上课。
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