Everybody knows that oxygen important to life on Earth.

1. Everybody knowsthat oxygen importantto life on Earth. Important Correction: is important

2. The woman thatyou sawherwas my sister. her Correction: Ø

3. The story ______ told me about was fascinating. that that you which what

4. I know whatyouaresmart. what Correction: that

5. The school ______ you went to prepared you well. that what that it was

6.  ______ late for the movie, we missed the beginning. Because we Although we were Because of Since we were

7. I was very excited about what my sister told methe news. the news Correction: Ø

8. It is difficult to believe ______ one day fly to work in our sky cars. • that • that we • which we will • that we will

9. Deciding that school to studyatis a very important decision. that Correction: which

10. Dinosaurs used tolive in thatis now San Francisco. that Correction: what

11. The guy ______ you saw was my brother. • what • him • that • was

12. The teacher made mebelievethat she said was true. that she Correction: that what she

13. Believing ______ is not always a good idea. • that you are see • you seeing • which you seeing • what you see

14. Mother Theresa dedicated her life to helping the people …. • about whom we read • about that we read • we read • whom we read

15. The book ______ read about in class was difficult to understand. • that we • that • what • was

16. . The United States Congress made Washington , D. C. , ---- in . (A) after the government center (B) of the government center(C) the center of government (D) then the center of government

17. . Poodles were once used as retrievers in duck hunting , but the American Kennel Club does not consider them ---- because they are now primarily kept as pets. (A) where sporting dogs (B) sporting dogs (C) when sporting dogs (D) they are sporting dogs

18. . A microphone enables a soft tone (to be) (amplified) ,thus (making it possible) the gentle renditions of (romantic) love songs in a large hall.

19. . (It is) the interaction between people , (rather than) the events that occur in their lives , that (are) the main focus of (social psychology).

20. . ----who was the first Black woman to run for the office of President of the United States in. (A) Shirley S. Chisholm (B) It was Shirley S. Chisholm (C) Shirley S. Chisholm was (D) When Shirley S. Chisholm

21. . ----an increasing international exchange of educational films. (A) It is (B) There is (C) Though there is (D) Although it is

22. . The spiral threads of spider's web have a sticky substance on them ----- insects. (A) traps (B) trap its (C) which traps (D) which it traps

23. . In blank verse----of ten syllables, five of which are accented. (A) line consists of each (B) consists of each line (C) each line consists (D) it consists of each line

24. . After the First World War, the author Anais Nin became interested in the art movement known as Surrealism and in psychoanalysis, both ----her novels and short stories. (A) in which the influence (C) to have influence (B) of which influenced (D) its influence in

25. . ---- did Cornell University begin to offer a degree in ornithology. (A) Not until (B) Not since (C) Until (D) In

26. . Only in recent years----begun to realize that wild dogs, kept within bounds, often do more good than harm. (A) people have (B) since people have (C) have people (D) people who have

27. . Pewter, (a metal) with an (ancient heritage), is still (practical medium) for the (nonprofessional) metalworker.

28. . (The hardness) (of mineral) often (gives) a clue to (its) identity.

29. . Commercial expansion from city to suburb has affected the way people in the United states ---.(A) living and working (B) they live and work(C) live and work(D) to live and to work

30. . Most crocodiles will eat anything----capture and overpower.(A) can(B) they can(C) which can(D) and

31. . A majority of people in the United States can get all the calcium their bodies----from the food they eat.(A) require(B) requires(C) requiring(D)to require

32. . (Although) afflicted by serious (eyesight problems) ,Alicia Alonso was (one the principle) stars of the American Ballet Theater and later formed (her own) dance company.

33. . ------relatively costly , the diesel engine is highly efficient and needs servicing infrequently . (A) Even(B) It is(C) Even though(D) There is

34. . All marble is composed of crystals of the minerals calcite or dolomite, ----, are perfectly white.(A) when, pure which(B) when, which pure(C) which, pure when(D) which, when pure

35. . Although----rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact.(A) apparently(B) are apparently(C) apparently their(D) are they apparently

36. . ----by transferring the blame to others is often called scapegoating.(A) Eliminate problems(B) The eliminated problems(C) Eliminating problems(D) Problems are eliminated

37. . ----wooden buildings helps to protect them from damage due to weather.(A) Painting(B) Painted(C) The paint(D) By painting

38. . X-rays are able to pass through objects and thus make----details that are otherwise impossible to observe .(A) it visible(B) visibly(C) visible(D) they are visible

39. . Using many symbols makes----to put a large amount of information on a single map.(A) possible(B) it possible(C) it is possible(D) that possible

40. . The less the surface of the ground yields to the weight of the body of a runner, ----to the body.(A) the stress it is greater(B) greater is the stress(C) greater stress is(D) the greater the stress

41. .The lower ------ in a room , the more slowly our eyes focus .(A) the level of lighting(B) light level(C) leveling of light(D)lighting is level

42. . The stronger----magnet, the greater the number of lines of magnetic force.(A) of(B) the(C) is the(D) is of the

43. . The quantum theory states ----, such as light, is given off and absorbed in tiny definite units called quanta or photons.(A) energy that(B) that it is energy(C) it is energy(D) that energy

44. . Studies of the gravity field of the Earth indicate----yield when unusual weight is placed on them.(A) although its crust and mantle(B) its crust and mantle to(C) that its crust and mantle(D) for its crust and mantle to

45. . The chief foods eaten in any country depend largely on ----- best in its climate and soil.(A) it grows(B) what grows(C) does it grow(D) what does it grow

46. . During the eighteenth century, Little Turtle was chief of the Miami tribewhose territory became----is now Indiana and Ohio.(A) there(B) where (C) that(D) what

47. . In the United States, a primary election is a method ---- voters select the nominees for public office.(A) that(B)by which(C)is that(D)by those

48. . Croquet is a popular lawn game ----- players hit wooden balls through wire arches called wickers. (A) when(B) which(C) is when(D) in which

49. . Mercury differs from other industrial metals ---- it is a liquid.(A) whereas(B) in that(C) because of(D) consequently

50. . Hovercraft, or air-cushion vehicles, are unusual ---- travel over land and water on a layer of air.(A)they(B)in they(C)that they(D)in that they