As is expected, it will still be some years before all the metro lines in our city _____ into practice.A. will be put B. are put C. will have been put D. have been put请问为什么选B 不能选D吗？ 时间状语从句中有时候也可以用现在完成时，和一般...
first prize前面用不用冠词有什么规律吗？比如：He won first prize. 他赢得了头等奖。His flower arrangement won first prize. 他的插花赢得头奖。He captured the first prize in the competition. 他在竞赛中夺取了一等奖。另外，可以用不定冠词吗？
新编英语语法教程，第十讲物主代词物主代词（mine、yours、his、hers、ours、yours、theirs）中有一个例句：Someone hit a car in the parking lot, mine unfotunately.为何这里的物主代词后面直接跟副词？是否是章振邦老师从某篇文章截取的一句，...
Six months out,more people who had quit abruptly had stuck with it—more than one-fifth of them ,compared to about one-seventh in the other group请问这句话中的compared to是作什么成分的？
...upposed to be here by now ?""Don't worry, she'll be here in about twenty minutes." (TOEFL)既然是时间状语by now，为什么前面使用了一般过去时Wasn't呢？我不能理解。是否应该改成Isn't呢？望老师答疑解惑，谢谢！
老师好，请问下面how...句子成分是什么样？How utterly reckless of humanity to have rushed past the Holocene boundary, ignoring—like a character in a horror movie—all of the obvious warning signs.
We do not know exactly what happened that eliminated so many species in a relatively short period of time, but there are several possible explanations. 托福写作中句子，还请老师指点，谢谢！
Do you think it is good to study（study) English by listening to English songs?这里的to study 是不是也可以用studying来替代？动名词做主语也常见用it作其形式主语呀，如：It is interesting planning a holiday. It is no good complaining. &...
The developments have cemented success for China's sweeping campaign to end domestic poverty before 2021 despite the impact of the earlier COVID-19 outbreak and the more recent floods wreaking havoc in southern provinces.这里的floods也是其后wreaking的逻辑主语吗？还是wreaking havo...
不是应该写成graduating from college才符合语法规则吗？ 原句是Now that members of Generation Z are graduating college this spring—the most commonly-accepted definition says this generation was born after 1995, give or take a year—the attention has been rising steadily i...
Have we shown ourselves so unwilling to be reconciled, that force must be called in to win back our love?请问老师，这句话的句法结构是 so...that 句型吗？难道这个句型可以在that前加逗号？
... of the Elizabethan drama for the next twenty-five years is of exceptional interest to students of literary history, for in this brief period we may trace the beginning, growth, blossoming, and decay of many kinds of plays, and of may great careers. "这句中好多个of都是怎么用的呢？特...
请教老师schedule用法：1）We'll be stopping here for longer than scheduled. 我们在这里停留的时间将超出原先的安排。 2）I'm scheduled to arrive in LA at 5 o'clock. 我预计在5点钟抵达洛杉矶以上2句都是词典例句。第一句为什么后面是than scheduled ? ...