TASK 2. Complete the reading passage. Write ONE suitable word in each blank.
Since the advent of the Internet, studying languages is not to be (1) ___________ impenetrable barrier for learners. Back to years before 1990s, in some Southeast Asian countries, students found very few channels supporting their learning. To be precise, they mostly received lessons from their teachers or (2) ___________ books, and sometimes from magazines and newspapers with limited topics. Today, (3) ___________, besides the offline class they can access many sources of learning (4) ___________ on the Internet with countless videos and digital files. Additionally, learners are likely to find out information about different cultures to improve their language knowledge. Thanks to the Internet, mastering a (5) ___________ language has been much easier than ever before.