classrooms developed into forums
教室发展为论坛
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Tests were transformed into major exams, book reports became research papers, classrooms developed into forums, and time was truly man's worst enemy.
小测验变成了专业考试，读书报告变成了研究论文，教室变成的论坛，而时间则是最大的敌人。
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