make these sentences passive.
1. They have bought a new dictionary.
2. The government has opened a new TV centre.
3. Somebody has posted the letters.
4.they have broadcast this news.
5. we have paited our catttage green.
6. she has finished the new project.
7.they have opened a new theatre in the city.
8. we have discussed all the details of our future journey.
9. Alice has learnt the poem by heart.
10. Brenda has served dinner.