Выберите из 5 предложений только те, которые соответствуют конструкции Perfect Tenses (Active Voice, Passive Voice) 1. In test runs, these trains have reached speeds of more than 250 mph (400kmph).
2. Almost every country has at least one railroad.
3. Over the years, railroads have been facing ever-increasing competition from other types of transportation.
4. Nevertheless, railroads have always been and still remain the most important and universal mode of transport.
5. The rails and crossties that make up a railway track are laid along a roadbed – a land that has been prepared as a foundation for the track.