86. __________（在……之前）to the meeting, we had discussed the matter among ourselves.
87. I can’t figure out what you are saying. Would you please make it ___________（清楚的）?
88. One of the ____________ （缺点, 不利条件）of this approach is that the words must be registered in the system beforehand.
89. Do remember to have your clock ___________（上发条）up, as the ceremony will be held on schedule.
90. Professor Kalan called his ______________（助理）, Hashim and Thomas, to take over while he went out.
91. Last Sunday, they held a ___________（招待会）to celebrate the success of their new research.
92. On my birthday, my friend Tom gave me a pen as a gift, which came in an ___________（精美的，优雅的）leather case.
93. All the patients were having ___________（随意的）conversations in the waiting-room before the doctor’s presence.
94. Today, only a small ____________（百分比）of school allow students to own cell-phones available at school.
95. This great all-round e___________ dictionary gives you Chinese to English translation, as well as English to Chinese translation.
96. Most citizens in Xinjiang Province, China don’t have pork just for r___________ beliefs.
97. Mother o__________ having a refrigerator at home, holding the opinion that it makes noise constantly, even at night when we are all asleep.
98. There were no people living on the island until the first s___________ came in 1856.
99. Finding nobody could understand him, he had no a___________ but to drop his plan.
100. His small size p___________ him from becoming a policeman, which discouraged him a lot.