1 . The manager requested that the task ______________________ before National Day, so we had to work day and night. (finish)
经理要求这项任务在国庆节前完成，因此我们不得不日夜工作。

2 . __________________ that first had the idea to cycle along the entire Mekong River. (it)
是我的姐姐首先想到了沿湄公河骑车旅行。

3 . It’s necessary for us _____________________ the available statistical data to predict the future trend. (make)
我们有必要利用现有的统计数据来预测未来趋势。

4 . When we chatted yesterday, Mr. Smith asked ___________________ the war twenty years before. (go)
昨天我们聊天时，史密斯先生问我是否经历了20年前的那场战争。

5 . ______________________ I often went to Tsing University to listen to the lectures given by famous professors. (time)
曾经有一段时间我常常去清华大学听那些著名教授的讲座。

6 . Having spent some time in the city, he had no trouble ______________________ the History Museum. (find)
他在这个城市已经呆了一段时间，因此毫不费力找到了去历史博物馆的路。

7 . His classmates _______________ in accomplishing his study in the university since 2010. (support)
自2010年以来他的同学支持他完成了大学学业。

8 . It was the second time that he                   the plan, which was more perfect than the last one. (come)
这是他第二次提出这个计划，比上一次的更加完善。

9 . _________ real life, the film is very popular with teenagers. (base)
以真实生活为基础，这部电影很受青少年的欢迎。

10 . The TV is broken, so I ____________________. (have)
电视坏了，我将找人来修。