2....he cannot break his promise and must allow Turandot to do as she wishes.

......但又不能食言，只能让图兰朵按照自己的意愿行事。 as"按照"，引导方式状语从句。 Will you please do the experiment as_I_am_doing?

请按我做的方法做这个试验好吗？ 3.Unfortunately, Puccini died of a heart attack before he completed this final scene ...

不幸的是，普契尼还没有完成这最后一幕就因心脏病突发去世了...... before"还未......就......"，引导时间状语从句。 When I asked him about this, he began to answer before_I_finished_the_question.

当我问他这个问题时，他没等到我问完便开始回答了。 　　

　　1．(教材P18)Some of the world's greatest opera singers were cast in this production, and many great Chinese musicians also participated.

　　几位世界级歌剧演唱家在演出中担任主演，而且许多杰出的中国音乐家也参与进来。

　　cast v．选派角色；投射(光、影)；向......投以(视线、笑容)；看，瞅；扔，掷

　　cast sb. as ...　　　　 选派某人扮演......

　　cast a look/glance 看一眼

　　cast light on 使......更易理解，有新认识

　　be cast away 漂流到，流落在

　　be cast down 沮丧，不愉快

　　①He has cast her as an ambitious lawyer in his latest movie.

　　他选定她在他最近的一部影片里扮演一名雄心勃勃的律师。

　　②The boy cast_a_surprised_look at our arrival.

　　对我们的到来，男孩表现得很吃惊。

　　③Here are the research findings that cast new light on the origin of our universe.

　　这就是对宇宙起源有新认识的研究发现。

　　④If you were_cast_away on a deserted island, what would you miss most?

　　如果你漂流到荒岛上，你最想念的是什么？

　　2．(教材P18)Those who cannot answer all three riddles, however, will be condemned to death.

　　但是猜不出全部三道谜语的人将被处以死刑。

　　condemn vt.判刑，宣判；指责，谴责

condemn sb. to death/prison　 判处某人死刑/入狱