1. укажите have/has: the railroads a switch which is a very important element of the track. 2. укажите is/are: the track one of the basic feature of a railway. 3. укажите do/does/am/are/is: the development of a country depend on transport? 4. укажите doesn't/ don't/aren't/isn't/am not: if the engine efficient, the losses of energy are large. 5. задайте вопросы к предложению: the choice of the monorail type depends upon climatic conditions, the territory, the number of passengers and so on.
2 is
3 does
4 isn`t
5
Does the choice of the monorail type depend upon climatic conditions, the territory, the number of passengers and so on?
The choice of the monorail type depends upon climatic conditions, the territory, the number of passengers and so on,doesn`t it?