Complete the sentences use the comparative form of the adjectives+than 1.a computer screen is a mouse (expensive) 2.the book was the film (exciting) 3.spain is england (sunny) 4.i think mobile phones are calculators (useful)

1. A computer screen is more expensive than a mouse.
2. The book was more exciting than the film.
3. Spain is sunnier than England.
4. I think mobile phones are more useful than calculators.