The first blank is ellos the second blank is ella the third blank is el and the last blank is ellas
1. La estación de ferrocarriles/tren
2. Subir
3. Bajar
4. La ventanilla
5. El anden
My explanation is that tren is train for Spanish and subir is get in, Bajar is get off , la ventanilla is window and el anden is where you wait for the train
I think the correct answer is Enseñame