Вставьте подходящую форму Passive в пробелы.

1. In most steam locomotives the pistons ……. to driving wheels by means of connecting rods (to couple).

2. The Vladivostok-Khabarovsk branch of the Trans-Siberian Railway ……. in 1897 (to build).

3. Nowadays the Trans-Asian Railway that will link Europe and the Pacific ocean……. by the United Nations Economic and Social Commission for Asia and the Pacific(UNESCAP) (to plan).

4. Prior to the reign of Nicholas I, very little consideration ……. to railways in Russia (to give).

5. Cars ……. together into a train and hauled by a locomotive (to couple).

6. Due to Russia's large land area and severe conditions, transportation ……. always ……. a major problem for its people and the government (to be).

7. The first railways in Russia ……. for the mining and metallurgical industries (to build).

8. Freight wagons ……. to the ideal carriage of different things (to adapt).

9. By 1916 an uninterrupted line ……. from the Urals to Vladivostok (to build).

10. The route of the present-day BAM ……. first ……. in the 1880s as an option for the eastern section of the Trans-Siberian Railway (to consider).

11. A lot of new routes ……. nowadays (to electrify).

12. The Ministry of Communications of Russia ……. officially……. in 1865 (to found).

13. So far 21 tunnels, with a total length of 47 km, and more than 4,200 bridges, with a total length of over 400 km, ……. for the Baikal-Amur Mainline (to build).

14. In September 1984, a «golden spike» ……., which symbolized the connection of the eastern and western sections of the BAM (to hammer).

15. A lot of high speed rail lines ……. in Russia in the near future (to build).

16. The line from Tumangang to Rajin in North Korea ……by the RZD (Russian Railways) by 2015 (to upgrade).