Exercise 1 The earthquake took place at three o’clock this midnight. Anvar: How could you find out

45. The invention... of radio by Marconi made a big change in the world.
46. The chemistry teacher asked the students what water was composed... of.
47. Scientists warn... that our planet earth is getting very hot or cold in future.
48. Your first task... is to type these letters without any mistakes.
49. Some books can provide ... you with a good background of scientific information.
50. Although there are a few plane accidents every year, the safest means … of travel is plane.


Exercise 4
1. They asked him whether he was prepared ... enough to start the project.
2. The fax is the most useful machine to be invented... after the telephone.
3. The doctor advised me to try to avoid foods that contain... a lot of fat.
4. She estimated... that the work would take three months.
5. The student knew that he needed more than a basic text book as a source... for his report.
6. You can compare... the two houses in size, but not in price.
7. Pollution which affects our lives must be reduced... .
8. When I called him on the telephone, he did not recognise... my voice at first.
9. The accident was so terrible that no passengers survived... it.
10. In winter we should wear... warm clothes to keep warm.
11. When the earthquake happened I saw the whole building shaking... .
12. It has been raining heavily... for more than eight hours.
13. Wear a hat to protect... your head against the sun.
14. Scientists believe that physical... activities, such as mountain climbing and swimming, cause good health.
15. I believe rural... life is usually more peaceful than city life.
16. There’s a big notice... advertising for sale outside his house.
17. The school is responsible... for the safety of the children during the school hours.
18. The fire spread... along the whole house and caused a lot of damage.
19. If you can go there on bicycle, it’ll save... your time and money.
20. Could you measure... the height of the wall for me?
21. The soft drinks are free..., but you have to pay for the lunch.
22. I was very sad when I lost ... my watch in the street. It was a present from my wife.
23. Did your parents finally agree with your ... to leave school?
A) legislation
B) communication
C) presentation
D) decision
24. Some plants cannot ... in very cold conditions.
A) survive
B) permit
C) complain
D) include
25. Don’t play with your hair that’s a bad habit... .
26. My little daughter was sick last week and missed... three days of school.
27. I cannot ever forget a kind of expression... on his face.
28. Books had to be written by hand before the invention... of printing.
29. The telephone and the telegraph are two important means of communications... .
30. He lost his balance... on the wall and fell down.
34. The solar system consists ... of the sun and the planets.
35. If I had to choose between fish and chicken, I’d prefer... the former.
36. Nobody likes to lose his freedom... , even animals and birds are unhappy if they are kept in cages.
37. The film was so awful... that everybody left the cinema before it finished.
38. Do you know what materials... are used to make this kind of clothing?