I personally looked upon the forging of firm Sino-American ties as a historically significant experiment.有Look upon as 这个词组在，我就有点晕。总觉得一个词组是不是整体应该作为一个成分。
...s acW (胃酸倒流) ，a disease that influences as many as 40 percent of Americans,a marked increase in recent years. Reflux can lead to (食道的) cancer,which has increased by about 500 percent since the 1970s. The drugs we use to treat reflux don't always work and may even increase the risk of...
Washington Irving has always been regarded as a writer who ‘perfected the best classic style that American Literature ever produced’.请问：句中的ever是“曾经”还是“从未”的意思？
...rom the historical—which the grant of corporate privilege was to advance
public purposes such as building roads, bridges, and canals.以上出自一篇专八改错题，我认为错误点是在于historical后面缺一个名词成分，但参考答案是把which改成where，请问各位老师，...
...n to you personally from a
friend, or a published letter from an important figure in history,it's
as if his or her own words are jumping off the page.我感觉这里应该用虚拟语气were jumping off the page，不应该用 are jumping off the
page. 不知对否？谢谢老师！
By no means. You could not make a greater mistake. If they are innocent it would be a cruel injustice, and if they are guilty we should be giving up all chance of bringing it home to them. No, no, we will preserve them upon our list of suspects. Then there is a groom at the Hall, if I remember ...
Original text:No creature has received more praise and abuse than the common garden snail.6 No creature ____ abused more often than ...(a) is being praised and(b) is praised nor(c) has been praised or(d) has been praised and我的答案是d，原因是原文用的是 and。但是课本答案是c否...
...oice of China (its name in English perhaps consciously echoing that of the American govrenment`s broading service,Voice of America).括号its name````里的内容，似乎没有谓语 所以不是一个完整的句子对吗？that of ，that 又是指代什么呢?
Yet some experts don’t expect a children’s vaccine will be ready by the 2021 school year because of how long trials take, even on the accelerated timeline for Covid-19 vaccines. 黑体字是间接感叹句，还是，名词性关系分句？
请问老师，在一些外国网站看到了这样的句子：
The security of the organization is expected to be attached great
importance.
请问后面需不需要加to？
Why should those principles be attached importance? 这句需要加to吗？为什么？