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？
You see the vegetation‘s changed hugely.really long grass.And immediately this feels like an area which could harbor wildlife.这里的vegetation‘s changed怎么理解，在名词后面加s不就是所有格了吗？is动词不可以缩写吧？
This journalist is respectable/respected for his dedication,
warm-heartedness and his spirit of seeking truth from facts.老师好！这句话委培抹额填respected而不是respectable?
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...
Tolstoy wanted happiness, but only hard-won happiness, that emotional fulfillment and intellectual clarity which could come only as the price of all-consuming effort.请问老师这里的as怎么理解?
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。