1. She made zealous efforts to clean up the classroom.
   她非常热心地努力清扫教室。
2. New blackboards have been fitted up in all the classrooms.
   教室里都安装上了新黑板。
3. On entering the classroom, he shouted the good news to us.
   他一进教室便高声把这个好消息告诉了我们。
4. We’ll have to find a classroom that’s not in use.
   我们得找一间没人用的教室。
5. Everyone cooperated in decorating the classroom.
   大家齐心协力装饰教室。
6. I will attend you to the classroom.
   我将陪你到教室去。
7. He insists on discipline in the classroom.
   他一贯强调课堂纪律。
8. The classroom was quiet during the examination.
   考试时教室里一直是静悄悄的。
9. Sometimes the 'classroom' is a Mississippi riverboat.
   "有时候,教室就在密西西比河上的汽船上。"
10. The classroom stands empty during the holiday.
    在假期中教室都空着。
11. They went into the classroom one after another.
    他们一个接一个地走进教室。
12. Their classroom is decorated with portraits of scientists.
    他们的教室挂了几幅科学家的肖像。
13. Not every student in this classroom is from China.
    在这个教室里并非每个学生都是来自中国。
14. He told the news to everybody in the classroom.
    他把这个消息告诉了教室里的每个人。
15. The late boy made a beeline for his classroom.
    迟到的男孩抄捷径跑去上课。
16. He is abstracted by a bird outside the classroom.
    他的注意力溜到教室外的小鸟身上。
17. There are thirty people in the classroom, counting the teacher.
    把老师算上, 教室里有30个人。
18. The classroom was full of activity; every child was busy.
    教室里充满了活跃的气氛，每个孩子都忙个不停。
19. This is our classroom.
    这是我们的教室。
20. The school students were distracted by the noise outside the classroom.
    教室外边的喧闹声使学生们不能集中注意力。

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