全国各地的学校都面临教师短缺。

Schools ___nationwide are experiencing a shortage of teachers.

在周四、周五或周六，你可以参观这个年度节日，它因其音乐、服饰和当地人的舞蹈而全国闻名。

On Thursday, Friday or Saturday you could visit the annual festival, which is well-known ___nationwide for the music, costumes and dance of the local people.

新政策已在全国范围内实施。

The new policy has been implemented ___nationwide.