Réponse :

55)

1. With your Oyster Card, you can touch in and touch out.

2. You can carry any money. It's very convenient.

3. Should I take the tube to go to St Pancras?

4. No, you don't. You can't walk there.

5. How long does it take? I won't be late!

56)

1. Can you show me the way to the train station?

2. Take the subway . It's faster.

3. Which line should I take? Must take?

4. Take the Circle Line to the west . It is useless to change.

5. Where do I go for buying a ticket?

You're welcome!