English is a very useful language. If we (9) ........................English, we can go to any countries we like. We will not find it hard to make people understand what we want to say. English also helps us learn all kinds (10)..................subjects. Hundreds of books are (11)...................... in English everyday in many countries. English has also helped to spread better friendship and understanding among (12)......... .............of the world. Câu 9. A. know B. knew C. knows D. known Câu 10. A. in B. of C. to D. from Câu 11. A. read B. listened C. spoken D. written Câu 12. A. families B. homes C. countries D. cities