Trong phòng họp có một số dãy ghế, mỗi dãy có số ghế như nhau. Nếu bớt đi 2 dãy ghế và mỗi dãy ghế xếp thêm một ghế nữa thì thêm được 8 chỗ ngồi. Nếu thêm 3 dãy ghế nhưng mỗi dãy bớt đi một ghế thì giảm đi 8 chỗ ngồi. Hỏi trong phòng họp có bao dãy ghế?

Viết chu vì hình tròn và diện tích hình tròn

III. Change each of the following sentences into reported speech.

36.  John said, “I want to attend a famous university.”

  John ____

37. “I’m looking for the book you gave me last week,” Mary said to Peter.

  Mary told Peter ______

38.  Janet said to John, “I did not promise to send you a telegram.”

   Janet _____

39. “I will get myself a drink,” she said.

   She said ___________________________________________________

40. “I cannot drive them home,” he said.

   He said _____________________________________________________

41. “Peter, do you prefer tea or coffee?” she said.

   She _______________________________________________________

42. “The film began at seven o'clock,” he said.

  à He said ____________________________________________________

43. The father said, “I was on a business trip the whole day yesterday.”

   The father ___________________________________________________

44. “My brother will get married next month,” James said.

   James ______________________________________________________

45. Henry said to his mother, “Come and spend a week with us.”

   Henry told __________________________________________________

46. He said to me, “Keep a seat for me in the lecture hall.”

   He _________________________________________________________

47. Mike said to Henry, “Give me my book back, please.”

   Mike ______________________________________________________

48. “Don't play on the grass, boys,” she said.

  She _________________________________________________________

49. “Don't make so much noise,” he said.

   He ___________________________________________________________

50. Jane said to Mary, “Will you be free tomorrow?”

   Jane asked _____________________________________________________