Translation of monopolizar

Exactly on that weekend there was a traditional apple event which is celebrated every year by the people of this small town. Naturally, It was very nice to see it, to see farmers outside of the city.
One could see in every touristic site and traveler's office advertisement for language schools and private teachers. The teachers usually gave the CV with an nice picture of themselves. It looked funny.
In order to see it you have to complete a lesson. I attached a screenshot. I did not place any rating there, so that it will not demotivate some of the users, especially the fresh beginners.