Transform the word in brackets so that it fits the text lexically and grammatically. Write the answer in capitals without gaps.

Learning languages is important nowadays. It is interesting and __________ \(USE\). Language skills help people to travel, study, and establish __________ links with colleagues from other countries. Some people say that learning languages is easy but others strongly __________. They say that learning languages takes a lot of time and they are not happy with their progress anyway. Meanwhile, there are some strategies that can make you a successful language ______________ and save your time. The first idea is watching films in the original. If the films are __________, learning is just fun, not hard work. Online and live __________ with people in the language you are learning also helps a lot.