Teachers say that they give individual help at the end of a lesson or after school, setting extra work if necessary.

教师们表示，他们会在课程结束或放学后给予个别学生另外的辅导，必要时还会安排额外的作业。

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The boys are listening for the bell at the end of a lesson.

那些男孩子们正在等着听下课铃声。

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This is to teach children a lesson at the end of the program.

这是为了在节目结束时让孩子们学到一些东西。

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Russel Tarr, who runs Active History from France, where he works as a teacher said the lesson plan was a revision tool for the end of a six-week course on the rise of Hitler, during which the 15- and 16-year-old pupils would have written a 1, 000-word essay on the topic.

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This is perhaps the single most important lesson of Retrofit, which is basically a high-end coaching service.

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