I.
1. The CD is more expensive than the cassette.
2. The church is older than the library.
3. Clare is more popular than Andrew.
4. The film is longer than the videotape.
5. Going by train is slower than going by car.
6. Laura's room is more interesting than Mark's.
7. Matthew is stronger than Daneil.
8. The streets in the city is more crowded than the streets in the countryside.