The greatest trouble in international communication between nations is ___(1)___ distance, not different habits and customs, nor national interests; it is the trouble of ___(2)___. The ___(3)___ of commerce, industry, science and technology ___(4)___ nations close to one another. I cannot imagine what ___(5)___ if each nation leader could speak only his mother tongue in an international conference. People need a ___(6)___ language and English is ___(7)___. Let's have a look around the world. The number of English-speaking people is continually increasing, especially ___(8)___ the last few years. If you have ___(9)___ sufficient knowledge of English, you can make yourself understood almost ___(10)___