Grammar
Choose the right variant (a, b, c or d)
1. Νε ... Professor Clark for ten years already.
a) knows c) has known
b) have known d) is known
2. The last committee meeting ... on 19 August.
a) was held c) had held
b) was holding d) has been held
3. Much effort ... this year to improve the situation in industry.
a) has been made c) will have made
b) is making d) has made
4. Some pressing problems ... at the symposium.
a) will be discussing c) will have discussed
b) will be discussed d) will discuss
5. He said they ... more funds for scientific research the following year.
a) to be needed c) needs
b) have needed d) would need
6. New sources of cheap energy ... to be found in future.
a) must c) is
b) are d) may
7. He could ... to the conference, but he lost his invitation.
a) had gone c) has gone
b) have gone d) went
8. It will be difficult for him ... the tests by May.
a) complete c) completed
b) completing d) to complete
9. They didn't expect us ... so early.
a) had arrived c) to arrive
b) arrived d) arrive
10. We didn't see them ... the laboratory.
a) left c) leave
b) had left d) were leaving
11. ... such results she had to work hard.
a) To achieve c) Achieved
b) Achieve d) Being achieved
12. ... experiments is impossible without some theoretical knowledge.
a) Made c) Being made
b) To be made d) Making
13. The method ... above is the most accurate.
a) describing c) having described
b) described d) to describe
14. The problem ... at the moment is not of primary importance.
a) discussed c) being discussed
b) discussing d) having been discussed
15. Metals do not melt until ... to a definite temperature.
a) have heated c) heated
b) will be d) heating heated
16. ... the measurements the experimenter then processed the data.
a) Made c) Having made
b) Had made d) Having been made
17. ... to 0° C the ice began to melt.
a) Having been warmed c) Having warmed
b) Has been warmed d) Had been warmed
18. I ... more if I had more time.
a) will read c) had read
b) read d) would read
19. If your thesis ... the necessary requirements, it will be accepted by the Academic Council.
a) will meet c) meets
b) will be met d) meet
20. If you had prepared your report, we ... to it at the last meeting.
a) would listen c) listened
b) had listened d) would have listened