Select the most appropriate option to fill in the blank.

Which _____ should I take to reach the railway station?

route

The correct option to fill in the blank is route.

The word "route" means a way or course that someone or something takes to get from one place to another. It is the most appropriate word to use in this context because it describes the path that someone would take to get to the railway station.

The other options are not as appropriate.

• Root means the underground part of a plant that takes in water and nutrients. This does not make sense in the context of the sentence because the speaker is not talking about plants.
• Rote means something that is learned by repetition and is not understood. This does not make sense in the context of the sentence because the speaker is not talking about something that is learned by repetition.
• Riot means a violent disturbance of the peace by a crowd. This does not make sense in the context of the sentence because the speaker is not talking about a violent disturbance of the peace.