Then I got really freaked out, and that's when it hit me: how much Barry looks like Mr. Potato Head.请问it是形式主语吗?还有就是 that's when 这个很难理解代表什么语法成分?谢谢各位大神解答!
Andit is providing to be an increasing powerful tool in encouraging people to
purchase. 这是北京高考真题阅读理解中的一句话，这里的 it is providing that是什么用法， providing在这里该怎么理解呢？
While a determined traveller cheerfully continues his journey upon reaching a safe and smooth place, he finds it's still more fascinating to come to a rugged place.请问upon reaching a safe and smooth place的upon是什么语意？
...e hired
our bikes from the rental place at the South Gate. My bike was old and shaky
but did the job. It took us about 3 hours to go all the way around the Xi’an
City Wall. Supposedly you can do it in two hours, but we stopped at the
different gates and watchtowers to take pictures or just to watc...
...be highly sensational; human interest stories overshadowed important news, and crime and sex stories were written in full detail. But as the penny paper attracted readers from various social and economic brackets, its sensationalism was modified. 廉价报纸首次提供给我们的是非...
That means price gains should moderate andit could take a while longer for homeowners who are under water to recover. 宾从并列句第二个里 “it”是做的形式主语 还是代词 亦或是其他成分呢？
曹老师，您好。It's not just corporate jobs ,or even paid work that can help keep your
brain fit. Then points out.（这句话出自2020浙江卷C篇阅读）1.这句话中的Then后的句子为啥没有主语本呢？是省略结构吗2.为啥把它放在后面呢？
CNN:And both the Trump Administration and the incoming Biden Administration want to release all available dosesimmediately instead of holding half of them back to ensure that people who've already gotten the first dose will be able to get the second on time.The benefit is that this will make more va...
Turning to Fred and George, she said, 'It's no-go with the Extendable Ears, she's gone and putan Imperturbable Charm on the kitchen doorFred heaved a deep sigh. 'Shame. I really fancied finding out what old Snape's been up to.' 这句话中fancied是过去式，后面的has been up to为什么是...
Home to age-old villages and small islands, the county has developed its tourism business in recent years around island sightseeing and seafood tours.句中的to可以改为of吗？
Personally I think it was rash of Mr. Strickland, in refuting the account which had gained belief of a certain "unpleasantness" between his father and mother, to state that Charles Strickland in a letter written from Paris had described her as "an excellent woman," since Dr. Weit...
...rary consisted chiefly of books in polemic divinity, most of which I read, and have since regretted that, at a time when I had such a thirst for knowledge, moe proper books had not fallen in my way, since it was now resolved I should not be a clergyman.老师这句话中的and have since regret...
...个例子：与将来事实相反的虚拟条件句：If it were to snow tomorrow, I should (would) stay at home.推测条件句：If I were to see him, I would speak to him about it.疑问：我就分不清这两句哪个是虚拟条件句，哪个是推测条件句，感觉这两句结构一模一...