Over million people a day use the underground or tube to get around in londob.the tube has 275 station in many different parts of the city and 12 lines that can take you to any place you want.so,don't forget to have a tube map with you before you start your journey! составить два вопроса по тексту
нужен 15
1)where can I buy a card
2)what station do you need to go to get to big ben