With the concerted efforts from both sides, BRI cooperation has steadily progressed and the vision of the trans-Himalayan Multi-Dimensional Connectivity Network substantiated.老师您好这里的substantiated前少了一个has吧，并列句前后时态应该一致。
He liked a wild life and Peru was much more like the country of giants where Tom had found him, than any place the big man had since visited.麻烦老师们帮我分析下since在这里的用法。这里的since可以理解为ever吗？
As the world's population continues to grow, the supply of food becomes
more and more of a concern. 老师，您好，请问 of+名词=adj.的这种结构中，名词前面不是通常是零冠词吗？如 of importance =
important，可是为什么上面这个句子中是 of a concern 啊？
这里的feeling作什么成分？和哪个成分并列？I had lived in 21 houses by
the 3 time I was 21,as a result I definitely know how it feels to feel as if you are not sure where you belong and feeling as if you are between two worlds.
...ucture 800 million people around the world don't have safe drinking water, and even in the US, cities had to use bottled water instead of tap water.原文链接：Problems with bottled water – level 3 - News in Levels此句中“more infrastructure”后面直接接了“800 million people”是...
You can still catch a glimpse of Guilin's
yesteryear in the countryside where it has been and continues to be home to
many ethnic minority groups. 请老师解析where引导的是什么从句？感觉这个句子有语法错误呢?
The BBC
separately quoted senior sources as saying GM and TWG will pay an anti-dilution
fee, split between the 10 existing teams, of $450m to secure the entry.这句话的of$450m，和split都是修饰这个fee吧？两个分开了。
...) A in biology. 他生物得了优等。He got three As [A’s] in English this week. 他这个星期英语得了三个优。The donor’s blood is type A. 这位献血者的血型为A型。【常用短语】▲from
A to B从一地到另一地：Hiring a car was the best way to get from A to B. 租...
On the other hand,oil-importing emerging economies — to which heavy industry has shifted — have become more energy-intensive,and so could be more seriously squeezed.这个句子结构不太懂，这句话是什么意思呢？求英语高手分析!