问题 现在完成时用于表重复事件的理解困惑

In 1913, it was decided to change IWD (International Women's Day) to March 8, and it has been celebrated on that day ever since.The day was only recognized by the United Nations in 1975. It has created a theme each year for the celebration ever since.请教老师：上面2句it has been celebrated o...

问题 求教 own 的用法

...句子,不解own的用法，特来求教！We are going to make them own walking away from solutions that help America.这里的own 是不是应该在其后面添加一个to 查了字典没有own doing这种用法(我感觉像是漏打了to)，这里根据上下文应该是我们将（民主党人...

问题 as made 是什么用法

But what else could they do on that dark winter's day when the last of their store of grain was gone, when the trees were cut and sold, when he had sold everything, even the little they had saved from the flood, and there was nothing left except the rafters of the house they had and the garments the...

问题 go on holiday 还是 go on a holiday

表示“去度假”，英语是用go on holiday还是go on a holiday？两个表达好像都见过，是两个都对吗？若go on holiday和go on a holiday都对，就说明其中的冠词可以省略啊！对不对？

问题 on every day是什么成分(on另有用途?)

To expand on this research, we have applied its “excess return” calculation—performance relative to market averages—to all listed firms worldwide worth at least $10bn, on every day since April 27th.on另有用途？on every day是什么成分呢？

问题 must be与must have been的区别

有句子如下：I’m early—my watch must be fast. 我来早了——准是我的表快了。请问句子中的 am 可以换成 was 吗？还有，must be 可以换成 must have been 吗？因为“我来早了”发生在过去（注意其中的“了”字），而“表快了”也是过去...

问题 on sales与on sale有区别吗

All the things are for sale. But only a few of them are on sales.这是书上句子，我记得是 on sale 而书上写的 on sales。问问老师这两个短语意思一样吗？谢谢您。

问题 不定式短语做目的状语前面出现逗号的疑问

As the summer months roll in, our Georgian country estate makes the perfect setting for an outdoor fitness session. Come and work out with our qualified personal trainer, Jodie McGregor, on the grounds of the Middleton Lodge estate.We will be holding a free taster session on 23rd May, at 10 am, to d...

话题 read on and on

问题 surprise可用作不及物动词吗

...用法啊？ 附全文:The question, “What do elephants and fish have in common?” may sound strange but researchers have found that they both have a feature not observed in any other creature.A team at Georgia Institute of Technology has discovered that elephants use a special form of air sucti...

问题 分析一下这个句子结构和成分

... the bed, how diligently can't let myself rest, simply tells the heart in speech you, in the heart really is worried and worries all has! 我在床上辗转反侧，怎样努力也不能让自己睡着，索性把心里的话告诉你，心里真的是担心和牵挂都有！来源：网络...

问题 作表语的不定式为什么用原形

What they did was kick in home doors and have every people inside lie on the floor.请问what they did was kick in doors为什么kick是动词原形？

问题 翻译：在冒险中

请问怎么翻译“在他们的冒险中”？是 in 还是on their adventures呢？谢谢！

问题 情态动词must推测用法疑问

...俊   八下《一线课堂》P222. My brother didn't say anything and walked away. He must be angry.我认为句中的be应该改为have been,表示对过去情况的推测，才符合该题语义。而must be 主要是对现在，或将来情况的推测。例如：You must have seen him yesterd...

文章 2021年高考英语全国乙卷（全国卷Ⅰ）材料来源——完形填空

...D四个选项中，选出可以填入空白处的最佳选项。Simply saying thank you doesn’t seem enough in certain situations. I was considering this while working as a ___41___ just a few weeks ago. And it came to me then how much easier it would be if we had a range of words that express dif...