Определите время и залог в предложениях и переведите их: 1. world railways are now busy in search of ways to increase their economic efficiency. 2. the underground railway in london was opened to traffic in 1890. 3. electronics has found a wide application in railway substations. 4. these cars have good sound-insulation. ii. переведите предложения, учитывая правило согласования времен. 1. we thought that we should go to a business trip in winter. 2. the foreman watched how the railwaymen were repairing a railway track. 3. she told us that all experiments had been finished in time. iii. переведите предложения, обращая внимание на союзное и бессоюзное подчинение. 1. they know they will made a report at the scientific conference. 2. if automatic control is used, many operations will be improved. 3. we are sure their information is absolutely correct