2. Fill in the correct participle form.
1. (say) the prayer, the priest was standing on his knees.
2. (serve) in the army for fifteen years, he became a real weapon expert.
3. The bottle (fill) with liquid was in the fridge.
4. (deceive) all the dogs, the hare ran away.
5. (discover) in the military laboratory, the virus turned out to be extremely dangerous.
6. (be) the leader of the party, he often speaks at the meeting and demonstrations.
7. (create) by the ancient inhabitants of Britain, Stonehenge still remains a mystery.
8. (pollute) with the radioactive wastes, the area became very dangerous for people.
9. (cook) ten jars of jam, Granny decided to rest.
10. (proofread) the article, the editor noticed the author’s inaccuracy.