翻译
距三峡大坝建成已经有六年了。(It…since…)
因为汽车出了故障，我们被困在山谷里很久了。(独立主格)
不管现代电影动画多么的精妙，木偶戏也不会过时。(however 引导让步状语从句)
你只有把这个难点讲清楚，学生才会理解这篇文章。(only if 在句首，throw light on)
他的英语知识很丰富。他肯定上过英语高级课程。(must)
句子翻译。
In this way, we ________(向我们的父母表达谢意，作为对他们爱的回报)．
For another reason, I think ________(你将更方便)to look after your parents as they are getting old．
In my opinion, it is wrong to cheat in examinations because it ________(违反校规)．
I'd like ________(听英语讲座), from which I can get more information on British and American culture．
It satisfies ________(人们增长知识的需求)．