Помогите пожалуйста!!! Choose the right variant.
6. Patients … by doctors in this room every Monday.
a) is examined b) were examined c) are examined
7. These books … in London last summer.
a) is bought b) are bought c) were bought
8. The children … by us to the party next Sunday.
a) were invited b) will be invited c) are invited
9. A new hospital … by someone in the 19 th century.
a) is built b) was build c) was built
10. The music … by a big orchestra every Sunday.
a) isn’t played b) will be played c) was played