1. The post -office does a very important job, isn't it?
2. Are there post-offices in every town and village?
3. What do postmen bring to every home?
4.Why was it not easy to send a letter many years ago?
5. When did one Englishman have a bright idea? 6. Was the first stamp " Penny Black" or " Penny White"? 7.Nowdays many stamps are printed in every country, aren't they? 8. Stamp collecting is a wonderful hobby, isn't it? 9. Do philatelists collect, study and exchange stamps for enjoyment? 10. Why do we go to the post-office? 11. What can we buy at the post-office? 12. Why is it interesting to write and to receive letters? 13. What do we send when the national holidays are coming? 14. Is the world changing at a low or high speed? 15.What appears every day?