I. Passive voice: (dang 1)
1. The mass reported that the countries had reached a decision to stop the fight.
2. They claimed that Columbus was not the first one who discovered the New World.
3. Parents think that teenagers are paying too much attention to their appearance.
4. The Anti-Doping Committee has reported that the famous athlete had used prohibited chemicals.
5. The government acknowledged that the stadium was designed badly. 12. People assumed that the authority hadn't tried to do anything to resolve the current political crisis.
6. Scientists proved that the rivers in this area had been polluted by the nearby factories.
7. People considered that President Lincoln was the best US president of all time.
8. They have reported that all the computers in Danish High School had been stolen.
9. They knew that Egyptians had been mummifying a lot of bodies at that time.
10. The Worker Union presumes the workers in that company are exploited seriously.
11. Developers believe that developing countries are setting Western nations as good examples of development.
13. Reporters say that food and medicines are delivered to the victims of the earthquake.
14. We knew that pure essential oil had been used by ancient people as a treatment to many diseases.
15. They claimed that thousands of fans had been waiting for Westlife's autographs.
16. They announce that the film has been prepared for its release this summer.
17. We believe that Bruce and his wife have been arguing for the whole night.18. We know that pollution is affecting many forests in the world.
19. They think that there is a lot of oil in that area of continental shelf.
II. (dang 2) 1) The manager had his secretary type the report for him.
2) The roof of our classroom is leaking; we must get John to get it.
3)
4)
If the maid comes today, please have her wash my shirts.
I'm going to have my sister dry-cleaned.
5) They have just had their worker clean.
6) My tooth is painful. I must go to see the dentist and get it pulled out. Do you think that we can get Kate take us to the airport tomorrow?
7) 8) My sister often get them to make new dresses for me.
9) Mr. Pike has just got his son buy him a newspaper.
10) Did the manager have the accountant check some figures again?
11) She had her daughter prepared the meal for the family.
12) The professor had the class write a 5,000-word research paper on water pollution. 13) He asked his mother to lengthen the trousers..
→He had the trousers 14) She'll ask someone to fix the lamps in her room.
-She'll have the lamps
15) We ordered somebody to whitewash the ceiling.
→ We had the ceiling
16) I'm going to tell someone to add an extra room. I'm going to have an extra room_
17) The tree was so diseased. We asked someone to cut it down.
→The tree was so discased. We had it 18) Our season tickets need renewing.
- We have our tickets. 19) Your hair wants cutting.
I have my hair
20) We must find an expect to check all these machines.
→ Did you have all these machines 21) Did you tell someone to translate the report into French? → Did you have the report.
22) Tell someone to type this letter. Have this letter
23) David went to the hospital. A nurse bandaged his arm. →He had his arm
24) Daniel is going to the dentist. He is going to fill this tooth. → He is going to have the dentis 
