Đọc đoạn văn và chọn câu trả lời đúng A, B, C hoặc D.   Stamp collecting is an interesting hobby. You can learn many things, such as the geography of a country from stamps. Postal stamps are a source of interesting facts and important dates about every country in the world. It makes stamp collecting become very popular. As you look at the pages of a stamp album, you can learn interesting details of foreign customs, arts, literature, history and culture. Their colours can make you feel relaxed and happy. Collecting stamps can become a business. If you are lucky in finding a special stamp, it will bring you some money besides knowledge and pleasure. 26. Stamp collecting is an interesting hobby because            ………….. A. stamps give you interesting facts and important dates about a country B. you can learn many things such as the geography of a country from stamps C. stamps give you uninteresting facts and important dates about a country D. A and B are correct 27. All of the following are true EXCEPT…………... A. stamp collecting can make you famous B. you can earn money from your collection if you are lucky C. stamps can make you know more D. stamps can make you relaxed and happy 28. According to the passage, it is true to say that…………... A. stamp collecting is a very popular hobby B. stamp collectors can earn a lot of money from stamp collecting C. stamp collecting is a hobby that costs you a lot of money D. stamp collecting helps you become rich and famous 29. The word “business” in the last paragraph is closest in meaning to…………..   A. the activity of collecting stamps B. the activity of buying or selling something C. the activity of buying stamps from other countries D. the activity of selling stamps from other countries 30. The main idea of the passage is…………... A. good things from stamp collecting            B. famous stamp collectors C. the history of stamp collecting                  D. the ways of stamp collecting