阅读下列各小题，根据汉语提示，用句末括号内的英语单词完成句子，并将答案写在答题卡上的相应题号后。
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。
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。
__________________ 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。
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。
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。
______________________ 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。
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。
The TV is broken, so I ____________________. (have)
电视坏了，我将找人来修。
_________ 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。
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。