To students all,
I would like to inform you that you are reqire to take the local test, the test in the last part of each lesson of every unit at Engdis.com, only once time.
However, if you have done something unexpected or unable to be solved, I will consider case by case if you will be permitted to do it again or not in the lab session.
Last, please try to do your best.
Thank you.
PS. you can contact me via Line or Inbox, if you have doubts or questions.