Sure! Here are the sentences based on the given clues:

1. There has been a steady increase in demand for hotel accommodation since 1998.
2. These days, more and more people are suffering from air pollution.
3. I have never read such a romantic story before.
4. She spends most of her time surfing the net for information about the next trip.
5. Van Gogh had a major influence on the development of modern painting.
6. Despite Brexit, London remains one of the most open cosmopolitan cities in the world.
7. The house that we rented in London last year was fully furnished.
8. People face large amounts of environmental problems every day.