Определите время предложений 1) The building of the world's longest Trans-Siberian Railway began in 1891. 2) Railways are…

Определите время предложений 1) The building of the world's longest Trans-Siberian Railway began in 1891. 2) Railways are the safest and the mostpopular means of transportation. 3) He has graduated from our University this year. 4) They will be writing a test at this time tomorrow. 5) The economic and political development of a country depends on a wide network of railways.