It&;s best for me, a person who just got a certificate, to give you an answer. It usually takes half a month from the day when I fail to pass the make-up exam. If there are many people who study driving, it will be troublesome and you may have to spend more time waiting. Generally, those who take the make-up exam can go to the driving school to practice driving while waiting for the make-up exam, and strive for a steady pass. If you fail a subject more times, it will be tiring and annoying, and the delay will be even longer. This is the case with Guangzhou Huadu. I hope I can help you.