80. --Are you doing OK in _________(保护) the environment? --Yes. 81. –Would you be back as soon as ________(尽快)? --All right. 82. Listen ! How _________(动听) he is singing !

83. Come and see us _________(无论如何) you have time. 84. It is a bad manner _________(吐痰) in public places. 85. Don' t throw the __________(垃圾) everywhere.

86--87. The _______(早) you start, the _______(快) you will come back. 88. We were all _________(激动) because we saw an interesting film.

89. Can you tell me what the number of Jim's _________(航班)out of Beijing is? 90. Look at the ________(说明) for the Smiths' trip. 91. The music ________(听起来) like birds singing.

92. If you get a ________(机会) to go there, please take it.

93. The little boy was _______(惊讶) at the beautiful fish he could see in the sea. 94. The sign here _________(警告) you not to smoke.

95. It' s not ________(允许) to take the books out of the classroom. 96. The story happened a few ________(世纪) ago.

97. These days the workers are busy ________(生产) this kind of medicine. 98. His parents always __________(鼓励) him to study hard. 99. Tom is very _________(自豪) of his new car. 100. His son is living ________(国外) now.

101. How many Chinese stamps have you _________(收集)? 102. It's ________(舒服) sitting with him under the tall tree. 103. His long talk is just a _________(浪费) of time. 104. The things can be ________(回收).

105. The policemen are ________(搜寻) the woods for the lost child. 106. What's the ________(人口) of Zhejiang this year? 107. At last a smile ________(出现) on her face.

108. The rules of ________(社会) must be obeyed by everyone. 109. If you want to start it, just _________(按) this button.

110. The boy does well in most of his lessons, _______(尤其是) Chinese. 111. How many _________(直的) lines must be drawn here? 112. Mr Zhang ________(毕业) from Beijing University in 1982.

113. The more careful you are， the _________(少)mistakes you will make. 114. The population of any other country is ________(少) than that of China. 115. Mid - autumn is a _______(传统的) festival for Chinese. 116. A new museum will be ________(建成) next year.

117. English is the most ________(广泛) used in the world.4 118. A river is a _______(天然的) waterway.

119. A _______(数字的) camera is dearer than that kind. 120. The speaker was _______(欢呼) by the listeners.

121. When autumn comes, the _______(树叶) on the trees begin to turn yellow. 122. It's ________(不可能的) that he can come here before noon. 123. The singing sounds quite ________(美妙), doesn't it?

124. The students had their photos ________(拍照) in the middle of the square. 125. To be a doctor for children is very _________(值得的). 126. The children ________(认为) their teacher as a good friend. 127. Who ________(赢)the boys' long jump?

128. Which team _________(打败) the team from No.2 Middle School? 129. The bike is too expensive. I don't think it's worth ________(买). 130. My child _________(更喜欢) drawing to singing. 131. The word "doctor" _______(结尾) with "or", not "er". 132. I _______(收到) a letter from my penfriend every month. 133. That bag is made of ________(皮革). 134. Have you made the ________(决定) yet?

135. Do you know ________(准确地) how the animals feel when they are in cages? 136. Many cows are _________(饲养) on the farm.

137. The football match ended in a __________(令人吃惊的) result. 138. Are those workers good at _________(驯养) animals? 139. All of us are pleased with their _________(演出). 140. Jim is even _______(懒惰) than Bill.

与…对抗) the team from No. 64 Middle School.142. Who __________(偷) Mr Green's necklace in fact?

143. My grandfather is a member of the singing _________(俱乐部).

注意) the traffic on both sides. 借) your hike to me. _____(一套衣服)?

__(几乎不) dress himself. 寂寞) with the TV and the radio. 149. _________(合作) is very important for us students to study. 150. The coming exam is a great _________(挑战) for us.