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1 
 TEST 1 
I- Choose the best answer: 
1. Doctors _____ an answer to AIDS yet. 
A. have found B. found C. haven't found D. hasn't found 
2. Do you mind _____ up? 
A. wash B. washing C. washed D. to wash. 
3. He _____ to give up smoking since last week. 
A. was trying B. have tried C. has tried D. tried. 
4. He enjoys _____ in the rain. 
A. walk B. walks C. to walk D. walking. 
5. Would you like _____ to my party? 
A. come B. to come C. coming D. came. 
6. My sister likes _____ and _____. 
 A. dance/sing B. to dance/sings C.dancing/singing D. dancing/to sing 
7. This school _____ ten years ago. 
A. be built B. is built C. was built D. built 
8. He _____ since the day we left school. 
A. hasn't seen B. hasn't been being seen 
C. wasn't seen D. hasn't been seen 
9. We spent half a year _____ this hotel. 
A. to build B. built C. building D. with building 
10. My friend is fond of _____ TV in the evening. 
A. watching B. to watch C. watch D. watched 
11. There is a _____ on the table. 
A. lamp reading B. read lamp C. reading lamp D. reading lamps 
12. While I _____ TV, my sister _____ to music. 
A. was watching/ listening B. watched/ listened 
C. was watching/ was listening D. watching/ listening 
13. She is bored _____ getting up early. 
A. with B. of C. in D. to 
14. I am not used _____ up early. 
A. get B. to get C. getting D. to getting 
15. She can't stand _____ her at home all day. 
A seeing B. see C. to see D. saw 
16. He drives very _____ and has got two accidents this year. 
A. careless B. carefully C. carelessly D. careful 
17. You'd better _____ at night. It's dangerous. 
A. not go out B. don't go out C. to go out D. not to go out 
18. I'd rather _____ at home than _____ to see that film. 
A. stay/ to go B. staying/ going C. to stay/ to go D. stay/ go 
19. He was surprised _____ her action. 
A. for B. with C. to D. at 
20. He feels like _____ in a big city. 
A. live B. to live C. living D. lives 
21. They are trying to look _____ new jobs. 
A. after B. at C. for D. forward 
22. They are looking forward _____ Tet holiday. 
A. to have B. having C. to having D. have 
23. He looked at me_____. 
A. angry B. angrily C. anger D. angryly. 
24 This is Kensington Garden _____ every visitor from abroad admires. 
A. which B. what C. from where D. where 
25. This is a store _____ you can buy almost everything from. 
A. which B. where C. what D. in which 
26. It is in this house _____ he was born. 
A. where B. which C. that D. in which 
27. He is the most intelligent student _____ I've ever taught at school. 
A. who B. whom C. which D. that 
28. Uncle Ho was born _____ Kim Lien village. 
A. in B at C. from D. on 
29 That man can tell us where _____. 
A. does John live B. is John living C. John lives D. John living 
30. When I saw him, he _____ a black suit. 
A. wore B. was wearing C. wearing D. wears 
31. Your car is different _____ mine. 
A. to B. in C. from D. for 
32. I found history very _____. 
A. amusing B. amused C. amuse D. to amuse 
33. Her _____ include swimming and reading. 
A. interests B. interesting C. interested D. interest 
34. Great Opera _____ of the world can be heard at the Sydney Opera House. 
A. sing B. singings C. singers D. to sing 
35. English is the _____ language on one- fifth of the land area of the world. 
A. office B. official C. officer D. officially 
36. English tends towards _____. 
A. simple B. simplicity C. simplier D. simply 
37. He looks _____ today than yesterday. 
A. good B. well C. better D. goodly 
38. There is a _____ difference between the north and the south. 
A. region B. regional C. regionally D. regioner 
39. He went to a seaside resort because he was keen on _____. 
A. windsurf B. windsurfing C. to windsurf D. to windsurfing 
40. The teacher told the boys to stop _____. 
A. to make B. played C. playing D. being played 
41. Mark Twain is a famous _____. 
 A. American writer B. American playwright 
 C. English writer D. English playwright 
42. He used _____ next to me in class. 
A. to sit B. sit C. to sitting D. to sat 
II- Read the following passage and choose A, B, C, or D to fill in the gaps: 
 James Cook was born in England (43) 1728. His parents (44) poor farm workers. (45) James 
was 18, he found a job on a coastal ship. He worked (46) ships until he was 27 years old, and 
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then he joined the navy. He fought (47) Canada in a war against France. In 1768 King 
George III made him the captain of a ship and (48) him to the Pacific. He was gone (49) 
nearly three years when he (50), he was a national hero. 
43. A. in B. at C. on D. during 
44. A. are B. be C. were D. was 
45. A. while B. when C. because D. during 
46. A. in B. on C. for D. under 
47. A. at B. in C. to D. against 
48. A. got B sent C. send D. sending 
49. A. in B. since C. for D. during 
50. A. got B. came C. returned D. arrived 
TEST 2 
I- Choose the best answer: 
1. Are you looking for my sister? - She isn't at home now. She _____ to the library. 
A. went B. goes C. has gone D. is going 
2. While I was swimming yesterday afternoon, someone else _____ my clothes. 
A. stealed B. was stealing C. was stolen D. stole 
3. She said she met you once at the Hilton last year _____ since 
A. have you met her B. had you met 
C. did you meet D. have you met 
4. I can't remember the name of the man _____ I gave you the money. 
A. who B whom C. whose D. which 
5. Here is the address to _____ you should write. 
A. which B. whose C. whom D. who 
6. We had a river _____ we could swim. 
A. in which B. on which C. to which D. at which 
7. I won't be able to very much but I'll do the best _____ I can. 
A. that B. who C. what D. when 
8. It is in this house _____ he was born 
A. that B. where C. which D. what 
9. Who _____ the bicycle? 
A. invents B. was i ... _________. 
A. other B. the other 
C. one another D. each other 
7. ______ we can find out new source of energy, our life will certainly be destroyed. 
A. if B. when 
C. unless D. even though 
8. Mercury is the smallest member ________ the 10 planets. 
A. in B. of 
C. than D. among 
9. Mary is ___________ of the two sisters. 
A. the smallest B. small 
C. the smaller D. smaller 
10. A person who studies life of plants and animals is called a ____________. 
A. physicist B. biologist 
C. philosopher D. politician 
11. Work hard ________ you will fail the exams. 
A. if B. or 
C. unless D. and 
12. If she ________ younger, she would take some exercise. 
A. is B. was 
C. be D. were 
13. Fresh air is of great ________ to our health. 
A. use B. used 
C. useful D. usage 
14. There is a big gate _______ the front of our school. 
A. in B. at 
C. on D. out 
15 She smiled _________ me. 
A. with B. to 
C. towards D. at 
16. He was accused _________ stealing a Honda. 
A. of B. in 
C. to D. with 
17. Vietnam becomes ________ to foreign tourists 
A. most and most B. much and more attractive 
C. the more attractive D. more and more attractive 
18. Joe is _________ of the two students. 
A. the quietest B. quieter 
C. the quieter D. quietest 
19. “Which team do you support?” 
 “We’d like ____________.” 
A. the Tigers win B. that the Tigers win 
C. the Tigers will win D. the Tigers to win 
20. If they had enough time, they _____ head south. 
A. will B. can 
C. must D. might 
21. “What did you do last night?” 
 “I watched TV, practiced the violin, and ______ my homework.” 
 A. made B. do 
 C. done D. did 
22. _____ all the cities I have visited, I like New York the best. 
A. Of B. From 
C. Out D. With 
23. More ______ 50 percent of the students passed the test. 
A. of B. that 
C. then D. than 
24. Let’s have our waiter _______ some coffee. 
A. bring B. to bring 
C. bringing D. brought 
25. All planes ______ before departure. 
A. will checked B. will has checked 
C. will be checked D. will been checked 
26. If I ____ get a pole, I’ll go fishing. 
A. can B. could 
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C. may D. might 
27. If you had a chance, _____ you go fishing? 
A. did B. may 
C. would D. do 
28. Gold ______ in California in the nineteenth century. 
A. was discovered B. has been discovered 
C. was discover D. they discovered 
29. ______ shoes are always of various types. 
A. Woman’s B. Womans’ 
C. Women’s D. Womens’ 
30. “How much money did you spend?” 
 “As much as there ___________” 
A. were B. has 
C. was D. have 
31. There _________ a lot of news about it on TV last night. 
A. was B. had 
C. is D. were 
32. They didn’t steal anything. They stole ___________. 
A. anything B. not anything 
C. not nothing D. nothing 
33. His friends are rich, but ______ are poor. 
A. me B. friends of me 
C. mine D. my 
34. Tom asked Ann and _______ about the new theatre. 
A. I B. my 
C. me D. self 
35. Tom is going to lose _______ job. 
A. him B. his 
C. he D. he’s 
36. When I last saw him, he _______ in London. 
A. has lived B. is living 
C. was living D. has been living 
37. Since he ___________, I have heard nothing from him. 
A. he had left B. he left 
C. he has left D. he was left 
38. “Would you like to go to the band concert?” 
 “Thanks, but I __________ it already.” 
A. had seen B. have been seeing 
C. have seen D. did see 
39. Next month we have two ________ holiday. 
A. week B. weeks 
C. weeks’ D. week’s 
40. _________ of the students in my class could solve the problem yesterday. 
A. None B. Neither 
C. Either D. Not much 
41. Give me ________ information, please. 
A. farther B. further 
C. many D. not 
42. I have ________ books of my own. 
A. no B. not 
C. any D. much 
43. He is ____________________________. 
A. a three years old boy B. a three year old boy 
C. three years boy D. three year boy 
44. I’ve always found Fred to be a _________ person. 
A. politely B. impolitely 
C. not polite D. polite 
45. “I’m looking for something to eat.” 
 “There is ___________ meat in the fridge.” 
A. a little of B. a little 
C. a few D. some few 
46. How ________ we need in the winter? 
A. How many woods B. How many wood 
C. How much of wood D. How much wood 
47. We have heard __________ about you. 
A. so many news B. so much news 
C. a lot news D. few news 
48. ________ was it wrapped up in? A newspaper. 
A. Where B. Who 
C. How D. What 
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49. How _____________ staying? For five days. 
A. long they will be B. they will be 
C. long will they be D. long they be 
50. Monkeys can’t sing, _________? 
A. can they B. can’t they 
C. can it D. can’t it 
keys 
 Test 1 
I- 1. C 2. B 3. C 4. D 5. B 6.C 7. C 8. D 9. C 10. A 11. C 12. C 13. B 14.D 15. A 16. C 
17. A 18. D 19. D 20. C 21. C 22. C 23. B 24. A 25. A 26. C 27. D 28. A 29.C 30. B 31. 
C 32. A 33. D 34.C 35.B 36.B 37.C 38.B 39.B 40.C 41.A 42.A 
II-43.A 44.C 45.B 46.B 47.B 48.B 49.C 50.C 
Test 2 
I- 1.C 2. D 3. A 4. B 5. A 6. A 7. D 8. A 9. C 10. B 11. A 12. D 13. B 14. C 15. B 16. B 
17. B 18. A 19. C 20. D 21.B 22. D 23.D 24.D 25.B 26. B 27. C 28. D 29. C 30.B 31.B 
32.D 33.C 34. C 35.A 36.C 37.C 38. D 39.C 40.D 
II-41.A 42.D 43.A 44.C 45.C 46.C 47. 48.A 49.C 50.B 
Test 3 
I- 1.C 2. C 3. B 4. C 5. A 6. C 7. D 8. C 9.B 10.B 11.C 12. A 13.D 14.C 15.C 16. D 17. C 
18. C 19. C 20. B 21. A 22.C 23.C 24.D 25. C 26. A 27. C 28. C 29.D 30.C 31.D 32.B 
33.D 34. C 35. D 36. C 37. C 38. B 39. B 40.B 
II- 41. C 42. B 43. A 44.A 45. C 46. D 47. C 48. D 49.C 50.A 
 Test 4 
I- 1.D 2.D 3.B 4. D 5.C 6.C 7. D 8. C 9.B 10.D 11. D 12.A 13.B 14.A 15.D 16.D 17.C 
18.D 19.A 20.C 21.B 22.C 23.C 24.D 25.A 26. B 27.C 28. A 29.B 30. B 31.C 32. D 33.A 
34. C 35. B 36.C 37.C 38.C 39.B 40.C 
II- 41.A 42.C 43. D 44.C 45.D 46. A 47.D 48.B 49.A 50A 
Test 5 
I- 1. D 2. C 3. C 4. A 5. D 6. A 7, A 8. B 9. D 1O. C 11. A 12. B 13. A 14. D 15. D 16. B 
17. C 18. D 19. C 20. A 21. C 22. C 23. D 24. C 25. A 26. B 27. C 28. B 29. A 30. A 31. 
B 32. A 33. B 34. C 35. A 36. C 37. D 38. C 39. D 40. C 
II- 
41. B 42. A 43. A 44. B 45. D 46. C 47. C 48. D 49. A 50. B 
 Test 6 
I- 1. D 2. C 3. B 4. B 5. D 6. C 7. B 8. A 9. B 10.C 11.D 12.B 13. A 14. D 15. C 16. A 17. C 
18. C 19. D 20. A 21. B 22.D 23. A 24. C 25, D 26. C 27. B 28. C 29. B 30. C 31. A 32. C 
33. A 34. C 35. A 36. C 37. B 38. C 39. D 40. D 
II- 41. C 42. A 43. B 44. D 45. B 46. D 47. B 48. C 49. A 50. D 
Test 7 
I- 1. D 2. C 3. A 4. B 5. D 6. C 7. A 8. B 9. B 10. A 11. A 12. B 13. B 14. D 15. D 16. D 17. 
A 18. D 19. B 20. C 21. B 22. D 23. D 24. B 25. D 26. A 27. C 28. D 29. C 30. D 31. B 32. A 
33. B 34. B 35. B 36. D 37. A 38. B 39. C 40. D 
II- 41. B 42. A 43. A 44. D 45. D 46. C 47. D 48. A 49. C 50. A 
Test 8 
I- 1. B 2. C 3. A 4. B 5. B 6. B 7. B 8. D 9. D 10. B 11. B 12. B 13. C 14. D 15. B 16. C 17. D 
18. B 19. A 20. B 21. D 22. B 23. B 24. B 25. A 26. D 27. C 28. C 29. B 30. B 31. C 32. D 
33. B 34. D 35. A 36. C 37. B 38. B 39. A 40. B 
II- 41. B 42. A 43. C 44. A 45. D 46. A 47. D 48. B 49. C 50. D 
Test 9 
I- 1. C 2. D 3. B 4. A 5. B 6. D 7. B 8. C 9. D 10. B 11. C 12. D 13. B 14. C 15. B 16. C 17. 
B 18. B 19. B 20. D 21. C 22. B 23. C 24. B 25. C 26. B 27. D 28. A 29. D 30. A 31. A 32. D 
33. D 34. D 35. B 36. C 37. A 38. D 39. C 
40. B 
 II- 41. C 42. B 43. A 44. C 45. D 46. B 47. D 48. B 49. C 50.D 
 Test 10 
I- 1. A 2. D 3. A 4. A 5. B 6. D 7. A 8. A 9. A 10. D 11. D 12. C 13. D 
14. B 15. D 16. C 17. A 18. C 19. C 20. A 21. C 22. D 23. C 24. A 25. B 
26. C 27. A 28. A 29. C 30. D 31. D 32. B 33. A 34. D 35. C 36. D 37. D 38. B 39. C 40. A 
41. D 42. D 43. A 44. D 45. D 46. D 47. B 48. B 49. D 50. C 
Test 11 
I- 1. D 2. A 3. B 4. C 5. D 6. D 7. D 8. D 9. C 10. A 11. C 12. D 13. D 14. A 15. A 16. C 17. 
C 18. D 19. A 20. C 21. C 22. B 23. D 24. A 25. A 26. B 27. B 28. B 29. A 30. D 31. B 32. D 
33. C 34. B 35. B 36. A 37. D 38. C 39. D 40. D 41. C 42. C 43. C 44. A 45. C 46. B 47. D 
48. B 49. C 50. A 
 Test 12 
I-1.D 2.C 3.B 4.B 5.D 6.D 7.A 8.C 9.D 10.B 11.A 12.C 13.C 14.C 15.B 16.A 17.A 18.D 
19.C 20.A 21.A 22.C 23.B 24.B 25.C 26.B 27.A 28.A 29.C 30.A 31.C 32.A 33.D 34.D 35.C 
36.C 37.B 38.B 39.C 40. A 41.D 42.A 43.C 44.D 45.D 
II- 46.D 47.C 48.D 49.A 50.B 
 Test 13 
I-1.A 2.C 3.C 4.A 5.B 6.C 7.D 8.D 9.C 10.D 11.C 12.C 13.D 14.B 15.D 16.C 17.B 18.A 19.B 
20.A 21.B 22.D 23.B 24.C 25.D 26.C 27.B 28.C 29.A 30.C 31.C 32.B 33.C 34.D 35.D 36.D 
37.D 38.B 39.C 40. D 41.B 42.C 43.B 44.D 45.D 
II- 46.C 47.A 48.C 49.C 50.D 
Test 14 
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I-1.C 2.A 3.C 4.D 5.C 6.C 7.D 8.C 9.A 10.C 11.B 12.C 13.C 14.D 15.D 16.D 17.D 18.B 
19.A 20.A 21.A 22.D 23.D 24.B 25.A 26.D 27.C 28.C 29.D 30.B 31.B 32.A 33.C 34.B 
35.B 36.A 37.B 38.D 39.B 40. A 41.C 42.A 43.C 44.A 45.C 
II- 46.B 47.C 48.A 49.C 50.D 
Test 15 
I-1.C 2. A 3.B 4.D 5.D 6.C 7.D 8.D 9.C 10.A 11.D 12.B 13.B 14.D 15.C 16.D 17.C 18.B 
19.A 20.D 21.C 22.B 23.C 24.D 25.D 26.A 27.C 28.D 29.D 30.B 31.C 32.A 33.B 34.C 
35.C 36.C 37.A 38.B 39.C 40.D 41.A 42.D 43.C 44.B 45.A 
II- 46.B 47.A 48.C 49.B 50.D 
Test 16 
I- 1. C 2. B 3. A 4. C 5. B 6. A 7. A 8. B 9.C 10. A 11.C 12. A 13. B 14. C 15. A 16. A 
17. B 18. D 19. B 20. A 21. A 22. D 23. D 24. C 25. B 26. B 27. C 28. D 29. B 30. B 31. 
A 32. A 33. B 34. A 35. C 36. B 37. B 38. A 39. B 40. B 41. B 42. C 43. A 44. A 45. A 
46. C 47. B 48. A 49.C 50. B 
Test 17 
I- 1. A 2. D 3. B 4. C 5. A 6. C 7. C 8. A 9. D 10. C 11. B 12. B 13. C 14. A 15. C 16. D 
17. B 18. D 19. A 20. D 21. D 22. B 23. D 24. C 25. B 26. A 27. A 28. D 29. B 30. C 31. 
D 32. A 33. B 34. A 35. A 36. B 37. A 38. B 39. B 40. C 41. A 42. D 43. D 44. C 45. C 
46. A 47. C 48. C 49. B 50. A 
Test 18 
I-1.C 2.B 3.C 4.D 5.A 6.D 7.C 8.A 9.C 10.B 11.A 12.D 13.B 14.A 15.D 16.A 17.B 18.C 
19.A 20.D 21.D 22.D 23.C 24.A 25.B 26.D 27.C 28.B 29.A 30.C 31.D 32.B 33.D 34.B 
35.A 36.C 37.A 38.B 39.C 40. D 41.C 42.A 43.C 44.C 45.D 
II- 46.B 47.A 48.D 49.C 50.B 
Test 19 
I/1.C 2.A 3.A 4.C 5.A 6.B 7.B 8.A 9.D 
10.D 
11.C 12.B 13.D 14.D 15.D 16.B 17.D 18.C 19.A 
20.C 
II/21.B 22.C 23.B 24.D 25.C 26.A 27.A 28.C 29.C 
30.B 
III/A 
31.C 32.B 33.A 34.B 35.C 36.C 37.D 38.B 39.B 
40.B 
III/B 
41.D 42.C 43.B 44.C 45.B 46.A 47.A 48.C 49.D 
50.A 
Test 20 
I/1.A 2.B 3.C 4.A 5.B 6.C 7.B 8.B 9.C 
10.B 11.A 12.D 13.C 14.C 15.D 16.B 17.D 18.C 19.C 
20.D 
II/A 
21.B 22.B 23.D 24.B 25.C 26.B 27.A 28.C 29.B 30.C 
II/B 
31.C 32.C 33.A 34.C 35.A 36.B 37.B 38.C 39.A 40.C 
III/41.A 42.C 43.B 44.B 45.D 46.C 47.B 48.A 49.D 
50.B 
Test 21 
I/1.B 2.A 3.D 4.C 5.B 6.C 7.C 8.C 9.D 10.D 11.B 
12.C 13.D 14.D 15.C 16.D 17.C 18.A 19.B 20.D 
II/ 21.B 22.B 23.D 24.C 25.B 26.C 27.C 28.C 29.D 30. 
III/A 
31.C 32.A 33.D 34.B 35.B 36.A 37.C 38.D 39.A 40.B 
III/B 
41.B 42.A 43.D 44.B 45.D 46.A 47.C 48.C 49.D 50.A 
Test 22 
I/1.B 2.C 3.B 4.A 5.B 6.D 7.C 8.A 9.D 10.B 
11.C 12.D 13.B 14.B 15.C 16.A 17.D 18.B 19.B 20.D 
II/21.B 22.B 23.A 24.B 25.D 26.B 27.D 28.B 29.B 30.D 
III/A 
31.D 32.B 33.A 34.D 35.C 36.D 37.D 38.D 39.D 40.C 
III/B 
41.A 42.D 43.C 44.D 45.A 46.A 47.D 48.C 49.B 50.B 
Test 23 
I/1.B 2.D 3.A 4.B 5.D 6.B 7.A 8.C 9.C 10.D 
11.D 12.A 13.D 14.D 15.C 16.D 17.A 18.B 19.D 20.B 
II/A 
21.D 22.C 23.A 24.C 25.D 26.B 27.A 28.D 29.C 30. D 
II/B 
31.C 32.B 33.B 34.B 35.B 36.B 37.B 38.C 39.B 40.B 
III/41.C 42.D 43.A 44.C 45.B 46.D 47.B 48.C 49.C 50.B 
Test 24 
1. B 2. D 3. D 4. D 5. C 6. B 7. A 8. D 9. D 10. B 11. B 12. B 
13. C 14. D 15. A 16. A 17. B 18. A 19. D 20. C 21. B 22. A
 23. A 
24. B 25. C 26. A 27. C 28. B 29. A 30. A 31.A 32. B 33. C 34.D 35.A 
36. A 37. B 38. B 39. C 40. A 41. C 42. A 43. A 44. D 45. C 46. B
 47. A 
48. C 49. D 50. A 
Test 25 
1. C 2. B 3. B 4. B 5. B 6. A 7. C 8. A 9.B 10. A 11. A 12. D 
13. B 14. C 15. B 16.A 17. C 18. D 19. C 20. B 21. A 22. C
 23. C 
24. D 25. A 26. B 27. B 28. A 29. D 30. B 31.C 32. B 33. B 34. A 35.B 
36. C 37. A 38. A 39. D 40. A 41. D 42. A 43. B 44. B 45. C 
Test 26 
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1. A 2. B 3. A 4. C 5. B 6. D 7. B 8. C 9.A 10. A 11. C 12. 
D 
13. C 14. B 15. B 16.C 17. B 18. A 19. A 20. A 21.D 22. B
 23. A 
24. C 25. B 26. A 27. C 28. D 29. B 30. B 31.A 32. D 33. A 34. C 
35.B 36. C 37. D 38. A 39. C 40. B 41. A 42. D 43. B 44. B
 45. A 46. C 47. C 
48. B (or D) 49. A 50. C 
Test 27 
1. A 2. C 3. B 4. D 5. B 6. B 7. B 8. B 9.B 10. C 11. C 12. 
D 
13. B 14. A 15. B 16.B 17. C 18. D 19. B 20. B 21.B 22. A
 23.B 
24. C 25. A 26. A 27. C 28. A 29. B 30. D 31.C 32. A 33. C 34. A 
35.C 36. D 37. B 38. C 39. C 40. D 41. A 42. B 43. A 44. C
 45. A 46. D 47. D 
48. B 49. D 50. A 
Test 28 
1. A 2. B 3. A 4. C 5. B 
 6. B 
7. C 8. D 9. A 11. C 12. D 
 13. B 
14. A 15. C 16. A 17.B 18. A 
 19. D 
20. C 21. D 22. D 23. B 24. A 
 25. B 
26. D 27. 28. D 29. B 30. C 
 31.C 
32.B 33. C 34. D 35. C 36. A 
 37. D 
38. D 39. A 40. D 41. C 42. C 
 43. D 
44. D 45. B 46. D 47. A 48. A 
 49. D 
50. D 
Test 29 
1. A 2. C 3. B 4. C 5. B 6. B 7. D 8. D 9. A 10. A
 11. B 
12. A 13. D 14. B 15. C 16. A 17. D 18. A 19. D 20. B 21. C 22. 
D 23. B 
24. C 25. D 26. C 27. C 28. C 29. A 30. B 31. A 32. A 33. D 34. B 
35. D 36. C 38. A 39. C 40. D 41. A 42. B 43. A 44. A 45. C
 46. C 47. A 
48. C 49. D 50. C 
Test 30 
1. A 2. C 3. B 4. D 5. A 6. D 7. A 8. B 9. C 10. B
 11. B 
12. D 13. A 14. B 15. D 16. A 17. D 18. C 19. D 20. D 21. D
 22. A 
23. D 24. A 25. C 26. A 27. C 28. A. 29. C 30. C 31. A 32. D
 33. C 
34. C 35. B 36. C 37. B 38. C 39. A 40. A 41. B 42. A 43. B
 44. D 
45. B 46. D 47. B 48. D 49. C 50. A