问题 keen on do it yourself是怎么回事

有这样一个句子，不太理解句中的 keen on do it yourself： She’s very keen on do it yourself. 介词后面为什么用动词原形呢？

问题 请问最后一句中的两个it分别指代什么

There are, of course, exceptions. Small minded officials, rude waiters, and ill-mannered taxi drivers are hardly unknown in the US. Yet it is an observation made so frequently that it deserves comment.网上参考译文：当然，例外是存在的。在美国，心胸狭窄的官员，粗鲁的传...

问题 句子成分:He made it his crusade to teach children to love books.

EG. He made it his crusade to teach children to love books. 1. his crusade to teach children to love books. 这边是一个从句吗？是不是名词性从句中的宾语从句，用前面的It指代了整个句子？ 2. 为什么his crusade前不需要连接词可以直接跟随it呀？

问题 It seems / happended that...句式分析(句尾的从句可以移到句首吗)

It seems that John's not coming after all. It happened that John was the only witness.以上两句中的 that 从句是什么从句? 可以移到句首吗？谢谢老师的解答。

问题 Its new chips also use 75% less energy的表达正确吗

我在教辅书上看到一句话：Its new chips also use 75 percent less energy.我看不懂这句话，感觉原句是不是应该写成：Its new chips also use less than 75 percent of energy.请专家老师指点，谢谢老师！

问题 It is torture doing sth 句式用得对吗

It was torture seeing him dig up my grass 这句话对吗？torture 不是形容词啊？

话题 It’s been 10 minutes already

话题 it is +形容词+that虚拟语气

话题 come to it + 形容词用法疑问

问题 [VN (that)]句式与it is believed that...例句

...》第 7 版的 believe 词条有如下句式搭配和例句：[VN (that)]It is believed that the couple have left the country. 据信那对夫妇已经离开了这个国家。我没看出这个例句是如何体现“[VN (that)]”这一句式搭配的，我的理解是：[VN (that)] 表示“动...

问题 within后面的it指代的是什么

...he European Union to include more members and pursuing deeper integration within it resulted from the unification of Western Germany and Eastern Germany for the unification brought about different expectations for Germany's roles from Central and Eastern European states.想向老师们请教：1. wi...

问题 just like介词与连词用法辨析

...ll beautiful in our own way（宾语）, just like the sky is beautiful in its own way（方式状语从句）.问题：例1中，just like之后接how引导的宾语从句，因此just like 为介词，just like...整体作方式状语；例2中，just like 后接主谓结构，因此just like可...

问题 It is necessary for sb to do sth的改写

It’s necessary for us to stay at home. =For us to stay at home is necessary. = To stay at home is necessary for us. =It’s necessary that we (should) stay at home.我的改写都正确吗？

问题 whether to imposter是什么结构？

It does not matter for our purposes whether to imposter is a deliberate liar or not. 请问这里的whether to imposter是什么结构？

问题 so的用法

Yet as those friends are the first to admit, it is a cotton-wool comfort that keeps out alien germs—like the surgical facemasks that many japanese wear, so at odds with the rest of their perfect dress.这里so成分怎么理解，是省略了什么还是作什么成分？谢谢老师！