Réponse :
Ex1:
1. quicker / than
2. busier / than
3. more impressive / than
4. slower than
5. are more congested than
Et pour l'ex 2
1.The bus is more expensive than the the black cub.
2.The underground is faster than the tramway.
3. The black cub is more comfortable than the underground.
4.The underground is more crowded than the black cub.
