Hello! Could you, please, check my essay?
Learning languages by books is very useful. We can improve reading skills, learn grammar rulls and then learn to speak correctly.
Leaning by apps can be useful for young active people and for people, who want to increase vocabulary. It conveniently to do when you, for example, in transport or waiting someone.
Learning in class is the most organized way. You have timetable, tasks, which you should do at a certain time. You want to be not worse, than others and it disciplines and motivates you.
Learning language being in country, where all people speaks on it, maybe the most quickiest way. Because you have the most practice than other ways of learning. And you can communicate with native speakers constantly.