B1: Em hãy điền một từ thích hợp vào chỗ trống để hoàn thành đoạn văn sau:
   More people study English ____(1)  any other language. In many countries, the textbooks in universities ___(2) in English. Many universities classes are tayght in English ever ____(3) the native language is ___(4) English
   English is the ___(5) of international communication. It is the language ____(6) international business, research, ____(7) science. More than three fourths of the world 's mail is stations ____(9) English. More than half of the scientific and reseach journal are in English. Most ____(10) languages have borrowed many English words