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？
We deep fried
fish three days ago in the kitchen, but the unpleasant smell stays. 上面的一句来自2021年新高考英语全国乙卷（全国卷I）的听力对话（录音材料）。请分析加粗部分的句子。这里的 deep 起什么作用？是程度副词吗？
It's estimated that more infrastructure 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...
“It’s just a magical little place,” said the author Fannie Flagg. “There are people that have come there from all over the world. Once they see it, there’s a charm about it that they just love.”粗体部分是同位语从句吗？此处love没有宾语，它是不及物动词？该怎么...
Woody and Buzz managed to escape from Sid's toys. They ran out into the hallway and came face-to-face with Sid's dog,
Scud. Woody ducked into a closet. Buzz hid in a dark room behind the door.
Archaeologists
have yet to reach Valeriana on foot, as another team led by the archaeologist
Ivan Šprajc did last year with the city
discovered last year, called Ocomtún.这句话的did
last这个did到底指代什么？步行抵达了那个地方吗？
...：His job is painting walls，这里的painting是动词。I am reading《The Romance of the Three Kingdoms 》，这里reading 是现在分词。在主系表结构里，因为动名词和现在分词都可做表语。那么可以让主语和表语位置互换看看翻译的句意是否通顺如果...
The ability to split atoms and extract energy from them was one of the more remarkable scientific achievements of the 20th century, widely seen as world-changing. Intuitively one might expect such a scientific wonder either to sweep all before it or be renounced, rather than end up in a modest niche...