Перепишите предложения, поставив глагол в нужную форму.
1) We arrived at the railway station when the train (to approach –Past Continuous Active) the platform.
2) At present 2,500 km of high-speed lines (to construct – Present Continuous Passive) in Europe and Asia.
3) A man who (to sit – Past Continuous Active) in the compartment said that the place was taken by another passenger.
4) The problem of the old terminal reconstruction (to discuss – Pre-sent Continuous Passive) now.
5) The designers (make - Future Continuous Active) different im-provements in the construction of the locomotives.