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问题 此句是否可用现在完成时

...onals in China, Lu _____(teach) Be Duan Jin since 2005.标答给的是have been teaching，但个人觉得此句用现完时也并无不妥。另: http://www.yygrammar.com/Article/200802/193.html这篇文章中提到少数动词(包含teach)用现完或现完进行时含义差不多，不知老师...

问题 无法判断这个that从句是什么从句

The system seems to be working the most efficiently that it has ever worked.请问这个句子中的 that 从句是什么从句？句子是什么意思？

问题 together with··是插入语还是状语？

Mr Green, together with his children, has visited China.划线部分，是不是即可以说是插入语，也可以说是状语？

问题 句子省略

The platypus has an Australian twang the red panda is subtly Himalayan, and the mallard sounds like a Brit. Through live conversations with the exhibits, Ashby hopes visitors will learn more than can fit on the labels that accompany the specimens.这句话的more than can 是不是缺少句子成分...

文章 副词still表示“仍然”、“还”在否定句中的用法

...定式缩略式， still应该放在缩略式的前面。例如：We’ve been working on it for over two years now. And it still isn’t finished . 我们做这件事已经两年多了。但还没完成。（摘自《柯林斯英语语法大全》第3版4.77）这里的 isn’t 是助动词 is 的...

问题 关于among的用法的一些疑惑

老师好，有这样的句子：1. Among his friends there was one who shared his opinion.2. Among these visitors was a little girl from Japan.我的问题是：among 的后面不可以用复数吗？比如1例可以改成：Among his friends there were two persons who shared his opinion. 句2可...

问题 什么时候用the什么时候用a

Recently I sent a postcard to my sister who was living in another town.My sister did not receive it and I was wondering  why.Then one morning the postman brought a letter for me.,想问一下，为什么postman前用the不用a，前文他没出来啊。谢谢帮忙！

问题 英语句子成分的划分（涉及too...to...句式）

It's never too late or, in my case, too early to be whoever you want to be.麻烦划分一下上句的成分，并说明一下为什么这样划分。谢谢！

问题 done为什么会在-ing动词前面

As if they were all suffering from a sleepless night, or almost done recovering from a broken nose. 问大神，done为什么会在ing前面？网上看这里是be almost done？recovering只是补充？

问题 英语句子翻译疑问

...out the American dream, what it takes to achieve their goals, and whether or not they felt a significant amount of control over their ability to be successful. 红色部分的it指代的是什么？指代前句的the American dream吗？如果是的话，那这句what it takes to achieve thei...

问题 省略to的不定式

I've gotten to the point where I can be around some difficult people without feeling the need to be so reactive fix them to make them happier or want to avoid them.请问此处的so reactive fix them是否应为so reactive to fix them？为何能够省略to？或者是与so相关其他结构？

问题 这里的like a New Yorker是什么成分

He or she，like a New Yorker，might say，“Sorry，I have no idea."这里的like a New Yorker做什么成分呢，怎么理解？

问题 强调句和倒装句的区分问题

When Tennis as I Play It did come out in 1915,no one had any reason to suspect that it might have been written by someone else. 老师，这里是的did是属于强调还是倒装呢？这里的someone 为什么不可以是anyone else呢？

问题 want sth doing 是什么结构

Power's been cut off to hundreds of thousands of homes and businesses because California's largest utility company doesn't want its equipment sparking new fires in the windy conditions. - 该句中，请分析want its equipment sparking - want sth doing 是什么结构，什么意...

问题 if somewhat 是什么意思

...们这个短语该怎么理解呢？if在这里是做连词吗？ I have been a dutiful, if somewhat distant daughter.David is being polite if somewhat distant. They make jokes about the Northeastern winters.The serial killer appears to be an amiable if somewhat distant nice guy. He's an innocent, i...