问题 名词单复数的用法疑问

为什么第一个 cell 用了复数，第二个 cell 却用了单数？A further reason is to obtain a supply of stem cells which can develop into every other type of cell in the body.

问题 句首的不定式是目的状语还是条件状语

请看下面两句：To get tickets, you have to book in advance. 你若想弄到票，你必须要提前预订。To get into university you have to pass a number of examinations. 你如果想进入大学学习，你必须通过一系列考试。请问句首的不定式是什么状语？是目的状...

问题 As comforting as it was to be Garrett's idol的理解

As comforting as it was to be Garrett's idol, it didn't diminish the horror of being Basketboy number nine.上面这个句子是让步状语从句吧？表语 comforting 要放在句首，comforting as it was to be Garrett's idol, 但为什么前面又要多加一个 as?

问题 at all cost还是at all costs（2018高考英语天津卷）

下面一句摘自 2018高考英语天津卷，请问为什么是 at all cost，而不是 costs 呢？But something inside me was going to climb that mountain at all cost. I could hardly wait to try this adventure again.

问题 when引导的从句修饰和理解的问题

...句修饰to leave，我感觉when you did,完全没必要，直接换成at that time不就可以了吗?加了从句说是修饰动词，反而让我不理解。而第二句是when从句修饰leave，我感觉我本来理解的是时间状语从句，好像不对了，向各位老师请教一下。

问题 这里的with分句应该如何理解

To Gort’s left, behind a stout, inspired defence by Roden’s Cavalry Corps on the Gette River, the Belgian infantry withdrew in good order to the ‘K-W Line’, manning a 31-mile (50km) front with eight divisions, backed up by three more, with another two on the Willebroek Canal and a reserve of...

问题 序数词后面定语从句以及不定式问题（the first to do）

...sp;the UK？3， Is this the first time that you have visited the UK?【请问】1.这里面哪个是对的？2.类似于第3句，后面用限定分句的话。必须要用完成体吗？3.第1句 visiting the UK 是作...

问题 现在分词的逻辑主语分析

It is a true story of how the Boston Globe uncovered the massive scandal of child molestation and cover-up within the local Catholic Archdiocese, shaking the entire Catholic Church to its core.请问 shaking 的逻辑主语是？

问题 with复合结构问题

Although based in Hangzhou and with 91 percent of its sales in mainland china, it  chose to list its shares in New York.请问老师，Although based in Hangzhou and with 91 percent of its sales in mainland china中with..是介词短语，还是复合结构？

问题 this is the seed that i do not know how tall will

问题 一个现在完成时的疑问

...这么几句话：【A Vietnamese court sentenced journalist Pham Chi Dung to 15 years in prison on Wednesday. He had been found guilty of making and spreading "propaganda against the state." Dung, who has written for the Voice of America Vietnamese-language website, is the president and founder of ...

问题 请问as是什么成分

I hope you will share my delight in watching as simple, even naive, questions lead to remarkable solutions and purely theoretical discoveries find unanticipated applications.请问as是什么成分？watching后是由and连接的两个省略that的宾语从句吗？

问题 名词做状语用法

A yellow banana duct-taped to a wall sold for $6.2 million at a Sotheby's auction on Wednesday. Let that sink in. If you're slightly baffled, congratulations -you're in on the punchline.这句话的congratulations在这里是名词做状语吗？怎么不用副词？

问题 为什么不省略Be

Can i be of any help to you. Can i any helpful to you.

问题 time做先行词的从句

There are many times that I've failed. 这里的that是引导同位语从句吗？可以换成when吗？It's the first time that这里的that可以换成when吗？