53. The children were playing in the park.
54. She is reading a book at home.
55. The rain made the ground slippery.
56. The new evidence contradicts the previous theory.
57. He enjoyed the casual atmosphere of the occasion.
58. He introduced himself to everyone briefly.
59. The government has been accused of not responding appropriately to the needs of the homeless.
60. There are no compulsory requirements on students to attend classes.
61. They sorted through the papers methodically.
62. She seemed intelligent and well educated.
63. Although he had little formal education, he could read and write well.
64. The matter will be considered separately from the main agenda.
65. No analysis has ever been carried out systematically in this area.
66. The price is payable in monthly installments.
67. They were reunited after a separation of more than 20 years.
68. The service was not entirely dependable, and flights were often cancelled.
69. The two departments work independently of each other.
70. During the past half-century, technological advancements have been transforming the world scientifically and socially.
71. She was perhaps the most influential educator of the 20th century.
72. There is no compulsory education in this part of Africa.
73. She continued with her schooling after a long period of illness.
74. Another article discussed children's stress before taking their final primary school examinations or tests.
75. There are deep divisions in the party over the war.
76. It is not always possible to make neat categorical distinctions in history.
77. There will be a penalty for late payment of bills.