81. His funny gestures were greeted with roars of laughters. （fun）
82. Their appreciation of performance was expressed in high cheers. （perform）
83. Her qualification exceed the job requirements. （qualify）
84. The more emotion the reading arouses， the deeper the impression on the learner. （impress）
85. The measures taken by the government failed to reduce unemployment. （employment）
86. The judge told the witness that his remarks were beside the point. （wit）
87. Bill' s father told him to bear in mind that his allowance had to last all week. （allow）
88. Design must keep pace with technological innovation. （technology）
89. It is difficult to carry on a conversation on a crowded bus. （crowd）
90. The sorrowful woman would return no more to the city where her only son had died from traffic accident. （sorrow）
91. Your offer is very attractive but I need to think it over before I can let you know my decision. （attract）
92. I find it very tiresome to be repeatedly interrupted by phone calls you really don't want to answer. （tire）
93. The computer is universally regarded as a revolutionary invention of 20th century. （revolution）
94. Though he views himself as a realist， Cetron says that his findings make him very optimistic about future. （optimist）
95. In such a changing and complex society， formerly simple solutions to informational needs become complicated. （complicate）
96. The police had difficulty restraining the demonstrators from rushing into the Town Hall. （demonstrate）
97. The key to the discovery of the mystery lies in the reliability of the information. （discover）
98. The interviewees passed through an anxious hour， waiting for result. （interview）
99. The classroom took on a holiday appearance after hard exam. （appear）
100. We should adopt effective measure to preserve the eyesight of the adolescents. （effect）