4
1. London is more crowded than Cardiff.
2. The plane is much more exciting than the train.
3. Walking is slower than riding a bike.
4. It costs a little money to travel by bus than by train.
5
1. I think the Science Museum is a interesting museum in London.
2. Francesco's makes a good pizza in the city.
3. The department store is a busy shop in town.
4. My class is smaller in the school.
