Dear class 1:
  You are good! First of all, please allow me to express my sincere apologies for the event. Due to the negligence of work, I have made some disrespect to you in the process of the transportation, which has caused you ten
  It was my duty to divide the bad. In this incident, as the sports committee, I didnt do my job well
  I apologize for not being serious enough so that I have committed such a low level error as notification. see
  We trust! And I will carefully review my behavior and learn from my mistakes. I will lead by example and do my job well in the future
  Make a similar mistake.
  Advance!