91. introduced : giới thiệu
92. educated
93. luckily
94. activities
95. documentary : phim tài lieu
96. household
97. unsuccessful
98. electricity
99. mountainous : khổng lồ
100. distinction : sự phân biệt
101. saving
102. building
103. recycled
104. foaming
105. polluted
106. disaster
107. Cruelty : sự độc ác
108. memorable
109. drawing
110. natural
111. speaking
112. occurrence
113. installed
114. prohibition
115. entrance : lối vào
116. entertainment
117. freely
118. colorless : không màu
119. Tidal
120. hurriedly : một cách nhanh chóng
121. predict : dự đoán