work that students do at school rather than at home 课堂作业:学生在学校而不是在家做的工作 When you have finished your classwork, you may read a book. 当你完成作业后,你可以看书。 Schools should ensure that classwork is challenging and demanding. 学校应该确保课堂作业具有挑战性和要求性。 Students do lessons and classwork online during a snow day. 下雪天,学生们在网上上课。