But when he looked to the side, he saw instantly that it
wasn’t a dog at all, but a wolf, quickly catching up with him.这个句子中的catching作什么成分？是作谓语吗？注意连词but后面没有谓语动词啊！
We could see the cliffs of Shetland about two miles off.With the exams now only a week off,
I had to study hard.A little way off, towering
over their heads, they saw a tree which had certainly not been there before.老师请问下这些off怎么理解？
英语书上有一句话：Treasure Island tells the story of a young boy who sailed the sea to look for hidden treasure.这里的the story可以换成a story吗？因为我感觉这里不一定是特指，也可以单纯表示，怎么怎么样的一个故事？
All children，whatever/however their conditions are，deserve the opportunities to develop.想请教下为啥选whatever不选however，无论状况怎么样，无论怎么样应该是however啊，可是答案是用whatever.
Moreover, it had to be borne in mind that the hugest whales, those
found near the Aleutian, Kulammak, and UmgullichIslands,
have never been longer than 180 feet, if
that.
if that 是什么结构？
"I tend to go less bold with outerwear and more
bold with base layers as then your bigger pieces like jackets and coats will
work with more looks," he says.这句话的as then是不是在这里做状语？是副词短语吗？什么意思？相比那时吗？
It is a true story of how the Boston Globe uncovered the massive scandal of child molestation and cover-up within the local Catholic Archdiocese, shaking the entire Catholic Church to its core.请问 shaking 的逻辑主语是？
The center who fancied himself as Superman has become a journeyman, joining his fifth team in seven years when his hometown Atlanta Hawks unceremoniously dumped him in a trade to the Charlotte Hornets one disappointing season into a three-year, $70 million deal.