You have now the driving exam, and you have missed classes driving with trailers, but you will not in any case can not fail the exam. But you're in luck, as there are paid services that you provide a car and you are on it is easy to hone their skills. Just do not ride much with the trailer of the city, as may not be able to deliver the car on time. And then you will pay a fine, and easier to come and take the extra time.