6. Nuclear energy is unlimited but it is very _________to human beings and the environment.

A. extinct                   B.released      C. endangered           D. dangerous

7. The music _________ you are listening sounds really interesting.

A. which                    B.to that         C. to which                D. to whom

8. He was the first man _________ me the truth.

A. telling                    B.told             C. to tell                     D. to be told

9. Dinosaurs became _________ millions of years ago.

A. develop                 B.extinct        C. increase                 D. decrease

10. She is the woman _______ I told you.

A. to whom                B. with whom            C. about which          D.about whom

11. Joyce thanked us for _________them to dinner and said that they wanted to have us over for dinner next week.

A. to invite                B. inviting      C. invite                     D. invited

12. Maria needs_________ another job. Her present company is going out of business.

A. to find                   B. finding       C. find                        D. found

13. It was the kind of accident for _________nobody was really to blame.

A. who                        B. whom         C. that                         D.which

14. He is the singer about _________ I often tell you.

A. whom                    B. that             C. him                         D. who

15. The 1^stAsian Games _________ in New delhi, India in 1951.

A. were held              B. are held     C. was held                D. is held

16. Walkers can unwittingly damage the fragile environment _________.

A. that the birds live                        B. where the birds live in

C. which live the birds                    D. in which the birds live

17. Oil, coal, and natural gas are _________fuels made from decayed material from animals or plants.

A. Fossil                     B.Smokeless              C.Unleaded               D.Solid

18. Only six _________ were played in the first Asian Games.

A. athletes                 B. sports events        C. coaches                 D. spectators

19. ________ heat comes from deep inside the earth.

A. Geothermal          B. Solar                      C. Nuclear                 D. Hydro

20. The sun, water and the wind are other_________sources of energy.

A. alternative                        B. replace      C. electric                  D. useless

21. They won two gold_________in bodybuilding and billiards.

A. degrees                  B. awards                   C. prizes                     D. medals

22. Although there are some disadvantages, the potential of alternative sources of energy_________ great.

A. are              B. is                C. have been             D. was

23. Thousands of national parks all over the world_________ to protect endangered animals.

A. has been established                   B. has been establishing

C. have been established                D. have been establishing

24. The quality of athletes, officials and sports facilities _________ through time.

A. is developing also                       B. has also been developing

C. have also been developing        D. are developing

25. They work in a hospital _________ by the government.

A. which sponsored                         B. was sponsored     C. sponsored            D. sponsoring

26. The first person _________ the ball will be the winner.

A. who catch             B. to catch                 C. catching                D. who are catching

27. If he had listened to me, he _________ in the exams.

A. would have failed           B. wouldn't have passed

C. wouldn't have failed       D. wouldn't pass

28. Many efforts have been made to protect ____ nature.

A. danger                   B. dangerous                         C. endanger               D. endangered

29. “Have you ever met the man _________ over there?” “No. Who is he?”

A. stands                    B. is standing            C. standing    D. who he is standing

30. A: “Thank you for helping me!” - B. “_________”

A. Thanks      B. Goodbye               C. You’re welcome              D. It’s nice to meet you