求翻译，谢谢。（满意答案追加50点）

以it为形式主语的主从复合句：1.他看来不愿意对这件事作出进一步的评论。(seem) It seems that he doesn't want to make further judgement on this matter.2.你喝了那么多咖啡难怪睡不着.(no wonder) It is no wonder you cannot sleep after having that much coffee.3.据估计，飞到火星上来回一趟需要一年半多的时间。(estimate) It is estimated that it takes more than one and a half years to make a round trip to the Mars.4.他碰巧以前做过类似的练习。(happen) It happened that he has done the similar exercise before.5.他真的打算一路乘火车去莫斯科。(true) It is true he planed to go to Moscow all by train.6.一切物质都是由原子构成的，这是众所周知的事实。(fact) It is a well known fact that all the substances are made of atom.7.这种材料能否用在我们工厂仍然是个问题。(question) It is still a question whether this material can be used in our factory.8.已证明他们的建议在一定程度上是合理的。(prove) It has been proved that their suggestion is correct to some degree.9.原来他根本就没出过国，也根本不是华侨。(turn out) It turned out he has never been abroad, don't even mention he is a overseas Chinese.10.下一班火车什么时候去西藏通知了没有?(announce) Is it announced the next train to Tibet?11.新产品销路好不好取决于它的质量.(whether) It is the quality which dicides whether the new good sells well.12.据报道这种野生植物含有丰富的维生素.(It) It is reported that this wild plant is full of vitaman. 主语从句:1.这个教材是否可用于我们的学校还未讨论过.(whether) Whether the book can be used is not discussed by the school.2.使我最感吃惊的是他态度的突然转变.(what) What surprised me is his sudden change attitude. 3.2010年世博会将在上海举行已成定局.(that) That 2010 Expo will be held in Shanghai is settled. 4.所有国家都同意,决不攻击带有红十字标记的任何物体.(whatever) All the country aggreed never attack the subject whatever has a red cross.5.这次计划讲如何执行仍需讨论.(how) How will the plan goes still need to discuss.6.一本书是否畅销取决于诸多因素.(whether) Whether the book sells well depends on several facts.