過去式past tenes

First,our principal Mr.chan(1)_gave_a welcoming speech and(2)_introduced_the judges.Then,he(3)_invited_them to come up to the stage one by one.After the ribbon-cutting cerenony ,the exhibition(4)_began_.
The photos on display(5)_were_about different topics:menorable school events,scenes of Hong Kong,travelling,firework displays nd so on.The spectators and judges(6)_signed_their names on the boards as they(7) looked_at the photos.
補充時間：2008-02-10 11:14:17

They(8)_enjoyed_the exhibition a lot.Finally,the most important moment(9)_came_—the judges(10)_announced_the winner of the Best Photo Award.The winner(11)_won_a camera as prize.

1. announced
2. introduced
3. invited
4. began
5. were
6. signed
7. looked
8. enjoyed
9. came
10. won
11. was given