...9;t you finished your homework yet? You are/were supposed to have finished it by last Sunday. The train is supposed to have arrived an hour ago和The train was supposed to arrive an hour ago.这些区别是什么？还是可以换着用？
老师好：请教一下。But the Nobel Foundation’s limit of three recipients per prize, each of whom must still be living, has long been outgrown by the collaborative nature of modern research—as will be demonstrated by the inevitable row over who is ignored when it comes to acknowledging the...
例句一， --How was the football game?-- oh, it was great! we had so much fun.例句二， But we were having so much fun, that i quickly forget the woman.请问have 是延续性动词还是非延续性动词，怎么辨别？
It is important to practice playing the piano every day.头轻脚重？ To practice playing the piano every day is important. 头重脚轻? 老师好！下面一句头重脚轻，句式不平衡。上面一句头轻脚重，难道就平衡了？有种说法叫“尾重原则”，英国人...
下面的句子出自2021年新高考全国乙卷（全国卷I）的阅读理解A：If I had to make just one recommendation for where
to stay in Rome,
it would be Yellow Hostel. 不是说介词后面不能接不定式吗？这里为什么在介词 for 后面接了不定式？
...Scientists in Spain who have developed the technique
are optimistic that it will be widely used in laboratories within the next
decade开发该技术的西班牙科学家很乐观，这项技术在接下来10年会广泛用于实验室我的问题： in Spain为定语1，who have developed the techn...
John is now with his parents in New York, it is already three years
since he was a teacher约翰现在和父母一起住在纽约,他不当教师已经三年了.since 后面如果为持续动词，时间按照动词结束时算起，请问下面的如何解释？Since I was young, I’ve noticed cha...
...形容词词性（真拗口），所以，以下两个句子是等价的：It is very important.It is of great importance.于是，填进去一个“of”之后：He is more a friend than he is a father.=> He is more of a friend than a father.这句话的意思是说：“他...
Once a set of asset classes has been defined, it is important to determine the exposures of each component of an investor's overall portfolio to movements in their returns.每个单词都知道什么意思，但是就是连不成句。请老师具体分析一下，然后点拔一下翻译技巧...