The library ______for more than 60 years since it _____ in 1940.
A. has been open; opened
B. has been opened; opened
C. has opened; was open
D. has been open; was open
正确答案为A。但 D 为何不可以呢？有资料说，当 since 引导的状语从句的谓语动词是延续性...
...uilding over there—which cost 300 million yuan to build—has been empty for a long time. 那边的那栋高楼，就是花费了3亿元的那一栋，已经空置很长时间了。请问老师：非限制性定语从句可以像这样用破折号连接而不用逗号连接吗？
Never before has our nation enjoyed so much prosperity and so much social progress with so little internal crisis.我知道这里是否定副词 never 在句首导致了倒装，那这里 before 是什么词性呢？为什么一定要把 before 也倒装呢？为此我查了柯林斯词典，其中...
...doors.B.They are stacking some boxes on a table.C.One of the men is paying for some fruit.D.Boxes are being loaded into a truck.答案是A。 —— 我觉得：如果此问题选A（Produce is being displayed outdoors.）是对的，前一问题选A（ Various pitchers are being di...
Y'know in a relationship you have these key moments that you know you'll remember forthe rest of your life? Well, every- single- second is like that with Aurora请问with Aurora是应该理解为方面状语吗？个人感觉意思上更像是every- single- second的定语啊感谢老师解答
...时，那么第一个可以改成过去完成时吗？还有一个句子：Forthe next few years, the Carnival ___61___ (celebrate) in different parts of London until it ___62___ (final) came to Notting Hill in 1964. 这个句子，是否填 had been celebrated 和 was celebrated 都对？真...
... their children
while they were playing.
2.Their mothers were sitting not for away, looking on at their children
as they were playing.
3.Their mothers sat not far away, looking on at their children as they
played.
Over them I placed a number of my broadcast scripts, each page of which had been stamped by the military and civilian censors as passed for broadcast.教材上说 as 是做 each page of which 的主语补语，那么 as 是介词还是连词？as 后面可以跟过去分词 passed 吗？
Who is a genius? This question has greatly
interested humankind for centuries.上面一句摘自2021年高考的全国甲卷（全国2卷）的阅读理解D。我见过 Who is the…? 的问句，从未见过 Who is a…? 的问句。请问上面这个句子中的冠词用得对吗？
...saction
goes through, roughly equivalent to the company’s market value before
the deal was announced.
“Faced
with such a major event and a matter of great justice, the relevant companies
should think twice, think carefully about the nature and crux of the issue, and think carefully about
what p...
...o in dreams. And, as
in a nightmare, there was nobody in sight to help me. Fortunately for me,
as I was wondering what to do next, there appeared on the horizon a man on
horseback, riding in my direction. I
waited till he came near, then I asked him the way to our old village. He said
that there was...
...and I saw that he did not know what I meant. I explained."You gave up a comfortable home and a life as happy as the average. You were fairly prosperous. You seem to have had a rotten time in Paris. If you had your time over again would you do what you did?""Rather.""Do you know that you haven't aske...
....S., Canada, Iceland, and Australia, examining levels of support for legal measures to address weight discrimination. 研究人员采取在线调查方式，问询了近3000名美国、加拿大、冰岛和澳大利亚成人是否支持用法律手段处理歧视体重的问题。上...