Раскрыть скобки,поставить глаголы в нужную форму страдательного залога. 1 those books (return) to the library yesterday. 2 the paintings (exhibit) till the end of the month. 5 this room (use) only on special occasions. 10 the book (return) to the library yesterday. 11 thousands of new houses (build) every year

1 Those books were returned to the library yesterday.
2 the paintings will be exhibited till the end of the month.
5 this room is used only on special occasions.
10 the book was returned to the library yesterday.
11 thousands of new houses are built every year