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1·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。

2·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。

3·I have classes all the time!

我一直都在上课！

4·Good idea! We don't have classes on Saturday.

好主意！我们星期六不上课。

5·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。

6·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。

7·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。

8·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。

9·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。

10·Like all objects, they have classes.

与所有对象一样，它们都有类。