Complete the definitions with logical words

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints or clues!
RAILWAY ___ MOTORWAY ___ CAR PARK ___ POST BOX ___ BLOCK OF FLATS

1. Trains go along a .
2. You can leave your car in a .
3. A is a tall building where people live.
4. You put your letters in a .
5. A is a large road between cities.