Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

1. The water is _____. You can't drink it.

           A. polluted                    B. pollution                 C. polluting            D. pollutant

2. I am very _______ in the news.

           A. interested                 B. interesting              C. interest           D. interests

3. Many spacemen could never get back to the Earth because of ____ accidents.

           A. tragedy                     B. tragic                      C. tragically           D. tragedies

4. They have no _____ for help.

           A. expectation              B. expect                     C. expectative            D. expectancy

5. Boys and girls may behave _____ in this situation.

           A. difference                B. differing                 C. different            D. differently

6. All of us were _____ that he was successful in the final exam.

           A. surprising                 B. surprisingly            C. surprise            D. surprised

7. One recent ________ in medicine is the development of laser in treating cancer.

           A. achievements           B. achievement           C. achiever           D. achieved

8. You have to be aware of the damage humans are doing to quicken the ________ of wildlife.
         A. extinct                      B. extinctive               C. extinctions          D. extinction

9. He was finally _________ in his final attempt.
          A. successful                 B. successive              C. unsuccessful           D. success

10. They did everything possible to _______ the police force.
          A. strengthen                B. strengthening         C. strength           D. stronger

11. I spent a(n)________ night because of my toothache. I’m very tired now.
          A. sleepy                       B. sleeping                  C. sleepless           D. asleep

12. His low scores in the mock tests ______ him quite a lot.
          A. courageous               B. encouraging           C. discouraged           D. encouragement

13. The waste from the chemical factory is extremely ________.
          A. harmed                     B. unharmed               C. harmful           D. harmless

14. The restaurant is now under new ________.
          A. manager                   B. manageable            C. management           D. manager

15. The problem of ________ among young people is hard to solve.
          A. employment             B. employers               C. employees           D. unemployment

16. The _________ of old buildings should be taken into consideration.
          A. preserve                    B. preservation            C. preservative            D. preserves

17. He became one of the most ________ actors in Vietnam.
          A. success                     B. successful               C. successfully           D. successive

18. Smoke from cigarettes can even do harm to _________.
          A. smoking                   B. smokers                  C. nonsmokers           D. smoky

20. You should _________ yourselves with some grammatical terms.
          A. familiar                    B. familiarity              C. unfamiliar           D. familiarize

21. Although some societies are __undeveloped, their languages, from a linguist’s point of view, are very complex.

          A. technology               B. technologically      C. technological          D. technologist

22. The ________ was a success; the patient will fully recover in a month’s time.
         A. operate                     B. operation                C. operator           D. operating

23. I like my work because I have the ________ to make my own decision.
         A. freed                         B. freedom                  C. freely           D. free

24. That teacher is a(n) _______ one. His pupils like his sense of humor.
          A. amusing                    B. amused                   C. amusement           D. self-amused

25. The road has just been ______ for better flows of traffic.
         A. width                        B. wide                        C. widely           D. widened

26. She wants to look ______ in her wedding reception.
          A. natural                      B. naturally                 C. nature           D. natured

27. Scientific progress supplies us with ______ such as washing machines, tractors,….
          A. convenient               B. conveniences          C. inconvenience           D. inconveniences

28. He was _________ in his final attempt. What a pity for him!
          A. successful                 B. successive              C. unsuccessful           D. success

29. You have to wear special clothes to work in the lab for the ________ of yourself.
          A. protective                 B. protector                 C. protection           D. protectiveness

30. There are many interesting _________ events included in this book.
          A. historical                  B. historically             C. historian           D. history

31. The ________ will judge you on your quality and performance.
          A. examining                B. examinees              C. examiners           D. examination

32. Some animals are now ____________. We need to find ways to protect them.

          A. dangerous                 B. dangerously            C. in danger           D. danger                   

33. People who are out of work are ____________.

          A. unemployed             B. unemployment       C. employed           D. employee

34. The old man has saved a lot of money for his _____________.

          A. retire                         B. retiring                   C. retirement           D. retired

35. We had a _________  discussion about football.

          A. bore                          B. boring                     C. bored           D. boredom

36. She gave a long ___________ about unemployment in Vietnam.

          A. lecturer                     B. lecturing                 C. lectured           D. lecture

37. Money doesn't always bring ____________.

           A. happy                       B. happily                   C. happiest           D. happiness

38. His _________ makes his parents happy.

          A. success                     B. successful               C. succeed           D. succeeded

39. Mary and her younger sister have many __________.         

          A. different                   B. difference               C. differ           D. differences.

40. The weather this month______ him because it has been raining most of the time.

          A. disappoints               B. disappointing         C. disappointed           D. disappointment

41. This job is______ and a lot of young people like it.

          A. attraction                  B. attracted                 C. attract           D. attractive

42. This shirt is good and its price is______

          A. reason                       B. reasonable              C. reasonably           D. reasoning

43. Bill is a good driver. He usually drives………………..         

          A. carefully                   B. carelessly               C. careful           D. careless

44. She is a very famous stamp________ in England.

          A. collection                 B. collective               C. collector           D. collect

45. Now we are still looking for the ________ to the problem of traffic accidents.

            A. solve                       B. solver                      C. solution                  D. solvable

help meeeee