Solving the drills of grammar is interesting, but the explanations for solutions are not enough. Thinking the explanations is significant.
When I made advice about a subject of high-school to a daughter, I remembered the teacher of the subject who had taught me the great wisdom.
The education of high school is significant, and it provides liberal arts for living in general situation. The basic wisdom will be expanded to knowledge more widely and deeply in social living.
In particular, the undergraduate work is constructed based on the basic wisdom of the high school education or of similar thing. Indeed, it is important to consider the difference of liberal arts between of the high school and of the university.
貝瀬 徹 （兵庫県立大学） @tetsu81