The Passive Voice/Mixed Passive/Test

The songs __________ at the concert yesterday.

The letter ________ tomorrow.

The radio _________ at the end of the 19th century.

His cars _______ yet.

The Lost City of the Incas ________ in Peru.

The electricity ___________ since January.

The best project _______ by the headmaster next month.

The meat ___________ for an hour last weekend.

The bread ________ an hour ago.

The copybooks ________ by the teacher at present.