English is a very (19) ____ language. If we know English, we can go to any countries we (20)____. We will not find it hard to make people understand (21) ____ we want to say. English also helps us to learn all kinds of (22) ____ because hundreds of books (23) ____ in English every day in many countries. English has also helped to spread ideas and knowledge in all corners of the world. Therefore, the English language has helped to spread better understanding and friendship (24)_____countries of the world. 19. A. difficult B. compulsory C. official D. useful 20. A. like B. make C. have D. cause. 21. A. that B. what C. how D. which 22. A. subjects B. difficulties C. lessons D. languages 23. A. to write B. writing C. wrote D. are written 24. A. between B. among C. either D. both