Cho đường thẳng AB và điểm O trên AB. Trên nửa mặt phẳng bờ AB, vẽ tia OC, OD sao cho góc AOC = góc BOD = 50 độ

a) 2 góc AOC và gó BOD có phải 2 góc đối đỉnh không? vì sao?

b) trên nửa mặt phẳng không chứa tia OD trên bờ AB. Vẽ tia OE sao cho OA là tia phân giác của góc COE.

Chứng minh rằng 2 góc BOD và góc AOE là 2 góc đối đỉnh.

Có bao nhiêu phân số có tử số bằng 9, biết rằng giá trị của số đó lớn hơn −3/5 và nhỏ hơn −4/9

Có bao nhiêu phân số có tử số bằng 9, biết rằng giá trị của số đó lớn hơn

a) [(-11,7) + 5,5 ] + [ 11,7 + (-2,5)]

b) [(-6,8) + (-56,9)] + (2,8 + 56,9)

c) (37,1 - 4,5 ) - ( -4,5 + + 37,1)

d) -(315 . 4 + 275) + 4. 315 - (10 -275)

e) (-2,5 . 0,375. 0,4) - [0,125 . 3,25 . (-8)]

f) [(-30,27) . 0,5 + (-9,73) . 0,5] : [3,116 . 0,8 - (-1,884). 0,8]

1. You must promise_____________ (not / be) late again.

2. I didn’t have enough time (finish) my work yesterday.

3. He refused ( allow) her ( think) for herself.

4. I was relieved (find out) that I had passed the exam.

5. She made her son _____(wash) the windows before he could go outside _______(play) with his friends.

6. She lets her children (stay) up very late.

7. We had nothing (do) except look at the cinema posters.

8. We both heard him (say) that he was leaving.

9. It made him angry (wait) for people who were late.

10. I couldn’t understand what the passage said, so I had my friend ( translate) it for me.

11. It’s important ( start) the meeting on time.

12. There are too many people here for me (talk) to all of them.

13. It took ages (download) the pictures from the Internet.

14. Whenever I have free time, I like ( watch) the basketball team (practice).

15. She sent me an e- mail ( inform) me that the meeting had been canceled.

16. It was a thrill ( see) my brother (win) the chess tournament last year.

17. I must ( speak) to the manager.

18. It is lovely ( see) you again.

19. It is too cold ( go) out.

20. I am happy ( know) that you have passed the exam.

21. We’ve got a few jobs ( do).

22. He keeps (ask) ____________ me the time and I keep (tell) _____________him (buy) _____________himself a watch.

23. I’m not in a hurry. I don’t mind (wait) _____________for you.

I. Choose the best answer:

1. He came and didn’t say anything, ______ worried all of us.
a. that b. who c. whom d. which

2. Marie, ______ I met at the party, called me last night.
a. that b. whom c. which d. whose

3. She’s the woman ______ sister babysits for us.
a. who b. which c. that d. whose

4. The story --------- the teacher told us was very interesting.

a. who b. whom c. it d. which

5. Do you know the girl ---------- is talking to them.

a. who b. whom c. which d. she

6. The test -------- the teacher gave us yesterday was very difficult.

a. which b. who c. whom d. it

7. The people -------- I met at his family were very nice.

a. who b. they c. whom d. which

8. Yoko told me about students __________ have taken the entrance exam 13 times.

a. who b. whom c. which d. that

9. The secretary....................I talked to didn't know where the meeting was.

a. which b. whom c. that d. θ

10. I need to talk to a person ......................you can trust. You will feel better if you do.

a. whose b. which c. whom d. θ

11. Bob is the kind of person to...................one can talk about anything.

a. who b. whom d. that d. him

12. He is a person...................friends trust him.

a. who b. his c. that d. whose

13. Fm looking for an electric can opener......................also can sharpen knives.

a. who b. which c. that d. θ

14. People .................. live in glass houses shouldn't throw stones.

a. who b. whom c. which d. θ

15. The problems .................. Tony has seem insurmountable.

a. what b. he c. that d. θ

16. The man ............. I introduced you to last night may be the next president of the university.

a. which b. whom c. that d. θ

17. Cathy is trustworthy. She's a person upon ............... You can always depend.

a. who b. whom c. that d. θ

18. Your career should focus on a field in...............you are genuinely interested.

a. which b. what c. that d. θ

19. People ................. outlook on life is optimistic are usually happy people.

a. whose b. whom c. that d. which

20. Ms. Donaldson,................. teaches linguistics at the university, recently re­ceived recognition for her research.

a. who b. whom c. which d. that

21. The earth, ................ is the fifth largest planet in the solar system, is the third planet from the sun.

a. who b. whom c. which d. that

22. The check................I gave Oliver was for work he'd done for me.

a. who b. which c. that d. θ

23. Melanie was looking after a dog..............leg had been broken in an accident.

a. which b. whose that d. its

24. One of the people arrested was Mary Arundel, ................. is a member of the local council.

a. that b. who c. whom d. 0

25. The Titanic,................sank in 1922, was supposed to be unsinkable.

a. whose that . c_. which d. who

26. The Newspaper is owned by the Mearson Group, ....................... chairman is Sir James Bex.

a. which c. that c. who d. whose

27. She is one of the few people to ............. I look up.

a. who b. whom c. that d. 0

28. Genghis Khan, _________ name means “very mighty ruler”, was a Mongol emperor in the Middle Ages.

A. whom B. whose C. who D. how

29. The children _____ sang at the Mayor's parade were from the local school.

A. whose B. where C. who D. whom

30. The school programme _______ has been interrupted by revision tests requires a regular course study.

A. whose B. who C. what D. that

31. The girl ______ dress you admire has been working for an export company since she left school.

A. who B. what C. whose D. whom

32. The young man ______ was released after the court was found innocent of all the charges against him.

A. who B. who he C. which D. whose

33. Is that the same film ______ we watched last year?

A. when B. which C. why D. who

34. The girl _____ I borrowed the dictionary asked me to use it carefully.

A. whose B. from whom C. from whose D. whom

35. The first television picture _________ John Logie Baird transmitted on 25 November, 1905 was a boy ______ worked in the office next to Baird's workroom in London.

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

36. Joyce Bews, ______ was born and grew up in Portsmouth on the south coast of England, _______ she still lives, was 100 last year.

A. that / in which B. who / where C. that / where D. who / that

37. The pollution ______ they were talking is getting worse.

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

38. Robert Riva, an Italian ____ used to play for Cremonese, now coaches the Reigate under 11's football team.

A. when B. which C. where D. who

39. When I was at school, there was a girl in my class ______ skin was so sensitive that she couldn't expose her skin to the sun even with cream on.

A. where B. whose C. whom D. that

40. Unfortunately, the friend with ________ I intended to go on holiday to Side is ill, so I'll have to cancel my trip.

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

41. The new stadium, ____ will be completed next year, will seat 30,000 spectators.

A. what B. where C. when D. which

42. Blenheim Palace, _____ Churchill was born, is now open to the public.

A. when B. where C. which D. whose

Choose the correct answers :

41. "Is this the address to _________ you want the package sent ?"

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

42."Excuse me, but there is something about _____ immediately." "Certainly."

A.which I must speak to you B.which I must speak to you about it

C. that I must speak to you about D. that I must speak to you

43. Most folk songs are ballads ____ have simple words and tell simple stories.

A. what B. whose C. how D. that

44. A battery is a device _________ electricity by chemical means.

A. it produces B. by which production of

C. produces D. which produces

45 I have three brothers, _________ are policemen.

A. that all of them B. who they all

C. all of whom D. who all of them

46. The agreement ended 6 -month negotiation. It was signed yesterday.

A.The agreement which ended 6-month negotiation was signed yesterday.

B.The agreement which was signed yesterday lasted 6-month.

C.The negotiation which lasted six month was signed yesterday.

D.The agreement which was signed yesterday ended 6-month negotiation.

47. The novel "Tom Sawyer", ______ was written by Mark Twain, is my all-

time favourite.

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

48. Everything ______ they said was true.

A. which B. what C. how D. that

49. Yesterday she had to do a difficult English test for ______ she did not

prepare.

A. it B. that C. which D. what

50. _______ was a French Emperor, fought his final battle in Waterloo.

A. Napoleon Bonaparte who C. Napoleon Bonaparte, that

B. Napoleon Bonaparte, who D. Napoleon Bonaparte, whose

51. Vicky, __________ name was missed off the list, wasn’t very pleased.

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

52. The new computer system _____________ for the post office will allow

accounts to be managed over the Internet.

A. design B.designing C. designed D.which designing

53. Many forest fires are caused by cigarettes ___________ out of cars.

A. are throwing B. have thrown C. throw D. thrown

54. The man_________ part in the robbery refused to give any information.

A. took B. taking C. to take D. who take

55. The travel agent gave me a brochure _______ all the needed information.

A. contains B.to contain C.containing D.which contain

56.I read `The Old Man and the Sea ’, ________written by Ernest Hemingway.

A. a novel B. that is a novel C. which D. which has

57. Who is it_________is waiting at the gate?

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