Whenever we eat in the canteen, we will see many students dumping food at random. You see it in your eyes, but the pain is in your heart. At this time, you will use "_ who knows that every meal is hard." Such a poem to educate this classmate.
The students will graduate soon, and everyone will leave separately. When you send your good friend away, you will say, "However, as long as China keeps our friendship, heaven will still be our neighbor."
4, parents often use "black hair does not know how to study hard early, white head regrets studying late." In this way, we are taught to cherish time, but teachers often use the phrase "what we get on paper is shallow after all, and we never know how to do it". In this case, it tells us to practice more.