1. Son, your written self-criticism is very serious, which shows your understanding and repentance of this mistake. However, you should remember that the critical letter is only a form, and the real correction requires you to make changes in your actions. I hope you can really correct your mistake and don't make the same mistake again.

I'm glad to see your critical letter. You can take the initiative to admit your mistakes, which is an important sign of your growth. However, you should also know that every mistake is an opportunity to learn. I hope you can learn from it and constantly improve yourself.

Your written self-criticism is very good, which shows that you deeply regret this mistake. However, you should remember that only by correcting mistakes through practical actions can you really learn lessons. I hope you can really match your words with your deeds and be a responsible person.

4. Son, your letter of criticism shows me your maturity and progress. You can take the initiative to admit your mistakes, which is an important step in your growth. However, you should also know that correcting mistakes is not an overnight thing, and you need to make persistent efforts. I hope you can stick to it and constantly improve yourself.

I'm glad to see your critical letter. You can take the initiative to admit your mistakes, which is an important sign of your growth. However, you should also know that every mistake is an opportunity to learn. I hope you can learn from it and constantly improve yourself.