RÚT GỌN BIỂU THỨC:

9) \(A = \left(\dfrac{1}{1 - \sqrt{x}}+\dfrac{1}{1 + \sqrt{x}}\right) : \left(\dfrac{1}{1 - \sqrt{x}}-\dfrac{1}{1 + \sqrt{x}}\right) + \dfrac{1}{1 - \sqrt{x}} \)

WORD FORM:

26. She was _________ ill, so she didn't go to school yesterday. (serious)

27. Don't put too much ________ -in what the papers say. (confident)

28. Let's have a party _________ for your birthday. (celebration)

29. She smiled to hide her slight __________ (embarrass)

30. I __________ prefer Pizza to hamburgers. (person)

31. The romantic evening cruises will be a _________ experience. (memory)

32. They were locked in a passionate __________ on the station platform. (embrace)

33. I haven't got a picture of this so you'll just have to use your _________ (imagine)

34. The novel is based on his _________ in the war. (experience)

35. I don't like that man. There is a __________ look on his face. (sneak)

36. A few people enjoyed the exhibition, but the majority were __________ (disappoint)

37. An only child often creates an _________ friend to play with. (imagine)

38. I felt my face burning with __________ (embarrass)

39. I believed that everyone has had __________ experiences in their life. (momory)

40. She showed her __________ by asking lots of trivial questions. (experience)

41. They organized a party in _________ of the year's successes. (celebrate)

42. The 50^th wedding anniversary is called the _______ anniversary. (gold)

43. After they got __________, she never remarried. (divorce)

44. We wish them every __________ in their new life. (happy)

45. The lightning in the room is functional as well as ________ (decorate)

46. The __________ postponed the race because of the heavy snow. (organize)

47. We're having a small family ________ to mark our wedding anniversary. (gather)

48. I have no _________ of changing jobs. (intend)

49. The food was good but the ________ was very slow. (serve)

50. Nobody in the office had received an __________ to the party. (invite)

FACT IN THE PAST -> IF CLAUSE (TYPE 3)

4. We stayed up late last night and we were so tired.

-> We...................................................................................(if)

10. He felt _________ - when everyone kept looking at him. (embarrass)

11. Good ________ ensures the success of the party. (prepare)

12. I'm thinking of having a small family _______ - when our cousin Helen comes to visit us. (gathe r) 

WORD FORM
1. I've got a lot of ___________ but only a few of them are really good friends. (acquaintance)

2. Our relationship is based on _________ not love. (friend)

3. One of the most important qualities for true friendship is ____________ (constant)

4. Everyone feels great ________ fro the victims of the attack. (sympathize)

5. A dog is capable of great ________ to its master. (loyal)

6. A selfish person is _________ of true friendship. (capable)

7. Jane showed great ________ for the new project. (enthusiastic)

8. His strange behavior made the police _________ (suspicion)

9. The soldiers swore their _________ to the King. (loyal)

10. He felt _________ - when everyone kept looking at him. (embarrass)

11. Good ________ ensures the success of the party. (prepare)

12. I'm thinking of having a small family _______ - when our cousin Helen comes to visit us. (gathe r) 

13. There have been a lot of ________ activities so far this year. (culture)

14. We were delighted by the wonderful ________ of the local people, (hospitable)

15. He loved Mona for her honesty, her modesty and her _______ (selfish)

16. They were extremely ________ to my plight. (sympathy)

17. Let me know if you see any one acting _________ (suspicion)

18. Business leaders gave an ________ welcome to the proposal. (enthusiasm)

19. The school appeared essentially ________ since my day. (change)

20. A lot of teenagers make Bi Rain their _______ (idolize)

21. The task needs the skills of a suitably ________ engineer. (experience)

22. Would you mind if I asked you some ________ questions? (person)

23. I'm _______ sorry for being late again. (extreme)

24. I think it's _________ of the police to use unmarked cars. (sneak)

25. Rap is a kind of music which is very popular with ________ (teenage)

REWRITE THE SENTENCES AS DIRECTED

16. Could you turn the radio down, please?

-> Would you mind .........................................................................................

17. Shall we practise playing football?
-> What about ................................................................................................

18. It's not a good idea to travel during the rush-hour.

-> It's better to avoid ......................................................................................

19. He listens to rock music. He is very fond of it.

-> He is very fond of ......................................................................................

20. Don't you remember you lent me money last month?

-> I can't remember ........................................................................................

21. Would you like to stop smoking?

-> Would you mind .........................................................................................

22. Paul doesn't like talking to them.

-> Paul hates .................................................................................................

23. I would like you to help me to do some difficult exercises.

-> Do you mind ..............................................................................................

24. Why don't we watch TV for a change?

-> I suggest ....................................................................................................

25. Do you like to do morning exercise?

-> I often avoid ...............................................................................................

26. She doesn't like working with young people.

-> She doesn't enjoy ......................................................................................