open the brackets ,using past simple passive ​

1. The postbox was emptied yesterday.

2. The stamps were  postmarked at the post office.

3. The letters were  sorted into the different towns.

4. The mail was loaded into the train.

5. The mailbags were unloaded after their journey.

6. The bags were taken to the post office.

7. The letters were sorted into the different streets.

8. The letters were delivered.