42. The documents shouldn't be left on the desk.
43. Can this problem be solved by you?
44. How many languages can be spoken by you?
45. I will be met at the airport by John tomorrow.
46. A new school is going to be opened here next month.
47. More trees are going to be grown in the front garden.

48. My house is going to be repainted next month.
49. The road will have to be widened soon.
50. These trees have to be watered everyday.
51. These victims had to be taken to the hospital last night.
52. He couldn't be helped.
53. These machines haven't been used for several years.

54. I am often given a new Ao Dai on my birthday by my sister.
55. A long letter was written to me. 
56. I am always made to work hard both at school and...by my mother.
57. We were made to work hard by the boss yesterday.
58. He is believed to be studying painting in America.