1. Paper was invited (invinted) in china
2. hundreds of books are published (puplish) every year
3. Football is played (play) all over the world
4. The olympic Gones is held (hold) every four years
5 the first trainers were designed (design) in the USA '
6. the London Eye was constructed (construcend) in 1999
tylko, że tu w niektórych zdaniach nie może być w past
musi być w present passive