Open the brackets. Use Past Passive
For example: The letter (write) by my friend yesterday– The
letter was written by my friend yesterday
1. The rule (explain) by the teacher at the lesson yesterday
2. The problem (discuss) yesterday.
3. The work (finish) a day ago.
4. The window (break) last night.
5. The Harry Potter films (show) last year
6. I (invite) to take part in a
TV programme last Saturday