...ay) 把it称为dummy subject（虚拟主语）：English
clauses which are not imperatives must have a subject. Sometimes we need to use
a “dummy” or “empty” or “artificial” subject when there is no subject attached
to the verb, and where the real subject is somewhere else in the clause....
...ns of unlike minds at the same moment in time. Moreover television appeals not only to those who can read but to those who can't.请问文中being relatively permanent是作什么句子成分，现在分词作后置定语，还是伴随状语，还是省略形式的定语从句？系表结构不太...
Yet the Nile has been changed by modern man in ways not yet fully understood.答案是：然而尼罗河已经为现代人所改变了，不过就连他们自己也不完全了解尼罗河改变的方式。我翻译的是：然而现代人用了一种至今难以理解的方式把尼罗河改变了 ...
...rank will return the book if he has finished reading it.2.The project will not start until all the
preparations have been made.请问这两个句子为什么填完成时，尤其不懂第一个，虽然书上说在条件句里现在完成时可以替换将来完成时，但是不清楚为什么用...
The report qualifies the more optimistic findings of another new paper which suggests that the world will not have to dig up a lot more land for farming in order to feed 9 billion people in 2050, as the Food and Agriculture Organisation has argued.此句的qualifies与argued该如何翻译比较恰...
1.They are not designed for students to interact with the material in depth but designed to be graded easily to accommodate such a large number of students.怎么翻译?2.Live sessions are infrequent and are often scheduled during the middle of the day when students have to attend other classes or w...
1.Not eating for
a week is a really amazing experience.2.Not having
eaten for a week is a really amzing experience.3.Having known
him for 20 years is the reason I trust him.4.Knowing him for
20 years is the reason I trusted him.请教老师第1,2句是对的而且意思一样，第3句是对的，...
...by having him struggle? He may well get frustrated and angry — certainly not a desirable outcome. 请问专家老师们，desired 和desirable 作形容词，用法有何区别？作者如何甄选的？谢谢。
... in love with Benedick, that she would certainly die of grief, if he could not be brought to love her; which Leonato and Claudio seemed to agree was impossible, he having always been such a railer against all fair ladies, and in particular against Beatrice.————《无事生非》， 莎士比...
...(tick) the ones you know.Look
back at the unit and review any words you're not sure of.2) How
can you use less plastic in your day-to-day life ?Note
some ideas. Then read the passage and check if any of your ideas are mentioned.3) Read
the caption below and look at the photo. What plastic items do...