Tell weather the verb in each sentence is in the ACTIVE VOICE or PASSIVE VOICE 16. A stone struck me on the head.

17 I have just posted the letter.

18. The minister inaugurated the exhibition

19. Their order was delivered on time.

20. This room hasn't been painted.

21 The students watch videos, use computers and complete exercises every day

22. The demonstration has been seen from the back of the classroom

23. The questions were completed.

24. I was insulted by your question.

25 The message was immediately deleted