(b) перепишите предложения, поставив глагол в нужную видовременную форму, и переведите их. 1. such engineers as frolov, yartzev and polsunov (to make – past simple active) great contribution to the development of railway transport in russia. 2. the renewal of signaling equipment of all the railroads (to finance – future simple passive) by the government. 3. in great britain, first-class tickets (to cost – present simple active) 50% more than second-class tickets. 4. in australia, freight traffic (to carry out – present simple passive) by double-headed trains and each train (to consist – present simple active) of 80 wagons. 5. the first self-propelled vehicle in russia (to build – past simple passive) by kulibin in the 18th century.