1. Potatoes were bought yesterday by me 2. The books shall be brought tomorrow by us. 3. The clock is being repairing now by them. 4. Milk is sold in this shop by them. 5. The whole text has been translated by me. 6. The window was broken last week by them. 7. When I came home, the sweets had been eaten by them. 8. We shall do the work in the evening. 9. This book was written by him in the 19th century. 10. Tennis was being played from four till five by them. 11. a lot of money are stolen from the shop by him. 12. By six o'clock the work had been finished by them. 13. At twelve o'clock the trucks were being loaded by the workers. 14. By three o'clock the trucks had been loaded by the workers. 15. Our daughter is sent to rest in the south by us every year. 16. This film will be shown on TV by them. 17. A new concert-hall is being built in our street by them. 18. A number of important experiments have been made in this laboratory by them. 19. Central Africa was explored by Livingstone in the 19th century. 20. By the middle of autumn all the trees had been planted by us. 21. This play will be staged at the beginning of next season by them. 22. The story has been forgotten by them. 23. Has the rules of the game been explained to you by anybody? 24. my skates haven't been brought back by them.
2. The street party is a popular form of (1) celebration in Britain. Whole streets come together to mark such important (2) national occasions as a new millennium. Clearly it is (3) impossible to hold a party in a busy street, so traffic is banned. This may annoy motorists but it is (4) unavoidable. Street parties need the (5) involvement of as many people as possible. They (6) enable people who live in cities to unite as a community just as they would in a (7) traditional small village or town. Street parties are simple, (8) uncomplicated affairs, which involve a great deal of eating, drinking, dancing and general (9) enjoyments. There should be games so that small children do not get bored and (10) disbehaving. There should also be plenty of good music to (11) encourage the teenagers to stand around. 3. Malaria is one of the most common (1) infectious diseases in the world. So far the only kind of (2) prevention implemented by the affected countries has been distributing mosquito nets and basic medicines. (3) Scientists and doctors have been working on a malaria vaccine for many years. However, although all vaccines produced so far have shown good results on monkeys their (4) effectiveness in tests on humans was far less (5) impressing. Research on the malaria vaccine arouses (6) considerable interest in African, Asian, and South American countries, where malaria is (7) economically a most dangerous disease causing (8) patients' loss of life and (9) economic problems. Everybody is then (10) patiently waiting for good news about (11) successful trails of a new medicine as the future costs of malaria spreading are indeed (12) unpredictable.
