81. Many new houses had been built and roads had been widened. 很多新的楼房建了起来，路也都拓宽了。

　　82. It is more than ten months since we last met. 从我们上次见面到现在已经有十个多月了。

　　83. It’s very nice of you to help me with my lessons every day. 每天帮助我复习功课，你真是太好了。

　　84. Nothing can live without air and water. 没有空气和水，任何东西都不能生存。

　　85. I prefer to live in the country rather than live in the city. 我宁愿住在农村，而不愿住在城市。

　　86. People must be stopped from throwing dirty things into the river. 应阻止人们往河里扔脏东西。

　　87. Peter sets aside some money every month so that he can buy a new car. 彼得每月留出一点钱以便购买一辆新汽车。

　　88. Linda didn’t go to bed until midnight so that she could finish reading the book. 为了看完这本书，琳达直到午夜才睡。

　　89. Early to bed and early to rise does good to your health. 早睡早起有益于健康。

　　90. More and more people are aware that it is important to obey the traffic rules. 越来越多的人意识到遵守交通规则的重要性。

　　91. Mrs. Brown is an Australian woman teacher with fair hair and blue eyes, who has been to many places of China. 布朗女士是一个澳大利亚的老师，她有一头金黄色的头发和一双蓝色的眼睛，她去过中国的各个地方。

　　92. On Sunday, May 18, we will visit Beijing, which has a history of 400 years. 5月8日，星期天，我们将会参观拥有400多年悠长历史的北京。

　　93. I think students should balance well between work and study. 我认为学生应该平衡好工作和学习两方面。

　　94. Friendship is one of the most precious emotions in our life. 在我们的生命中，友谊其中的一种非常珍贵的感情。

　　95. It goes without saying that we cannot be young forever. (适用于自编名言) 不言而喻，青春一去不复返。

　　96. Last but not least, it will definitely benefit the citizens. 最后而又很重要的一点，它必定给市民带来福利。

　　97. With the increasingly rapid economic growth, more problems are brought to our attention. 随着日益迅速的经济发展，更多的问题受到我们的关注。

　　98. The preservation of forests has aroused people’s wide concern 保护森林引发人们的广泛关注.

　　99. As far as I’m concerned, I am in favor of the opinion that… 就我而言,我赞同…的观点

　　100. Both governments and ordinary citizens should join hands to make this world a better place to live in, not only for ourselves, but also for future generations. 不仅仅是为了我们，更是为了我们的后代，政府和普通市民应该联合起来，使这个世界变成更美好的家园。