Here is the completed passage with the appropriate words filled in:
In our modern world it is (1) important to be able (2) to speak a foreign language. Reading books and watching films (3) in the original is also more interesting. The most popular reason for learning a foreign language is (4) travelling abroad and meeting new friends and even business or life partners. Speaking a foreign language helps you to find (5) a good job. It can help you win the (6) international market. Even if you are a usual customer, it is good if you understand English; otherwise, you can make mistakes and lose your (10) money. If you speak English, you get (11) access to very useful information. (12) Information technology specialists and employees (13) require English speaking skills because a lot of (14) instruction manuals and software are in English.