China, long the global economy's most powerful engine, many now fear, is running out of fuel.1）这句话中，long的词性是什么？属于什么用法？2）many of fear 放在这里是什么用法呢？很少见放在这样的位置。
...是“某个，某些，特定的”。例如：
I’m absolutely certain that I left the
keys in the kitchen. 我绝对肯定我把钥匙落在厨房里了。
I felt certain that I’d passed the
test. I’m not certain when it will be ready. 我感觉自己肯定通过这次测验了。
I’m n...
1)The
world will be different from what it is now, and we will have to be prepared to
adapt to the change.这个what是复合关系代词吗？= 什么呢？麻烦老师重点“逐步”分析what和it分别是什么？怎么理解句意？？？很不能理解这里的what和it都是指的是什...
If a similar readjustment were to happen this year, it could lead to the government saying it was now on track to meet its modest 2030 target without the carryover credits.本句中为什么saying后面要用过去进行时呢？句子不是对于未来的虚拟吗？谢谢回答
下面一句摘《剑桥高级英语语法》（Advanced Grammar in Use）第52.3节的练习答案：Fewer students walk to university now than they did in 1980.感觉句子有问题，应该去掉 they did 才对吧！即：Fewer students walk to university now than in 1980.
Now China has solved the problem of food and clothing to a point where it has managed to feed its 1.3 billion people,22 percent of the world’s total population,with only 7 percent of the world’s cultivated land.请教老师分析：1）句中to a point 作何成分？作用？含义？2）可否...
According to the latest figures, the majority of the world's population is now bilingual or multilingual, having grown up speaking two or more languages. 请问句中为什么要用完成时？是为了表示成长这个动作被重复很多次吗？为什么不用growing up？谢谢解惑
...ot growing fast enough to hold all the people who want to get into it, are now beginning to be angry.老师好，to be even more "helpful"是want与want搭配的不定式呢，还是单独的一个目的状语？
...bsp;man living downtown said: “you can’t imagine how happy I am, my son lives and works in Beijing. We can only be together at Spring Festival. The students ...
...ointless and rambling journey because they thought he had some secret plan thatthey would learn in due course.这句话中的 whether 是对 had only agreed to 表示一般疑问还是对 because 表示一般疑问？
... a shoal of fish. With experience, and with improved apparatus, it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.麻烦老师讲解一下惯用短语"by the pattern of sth"的含义和用法，查阅...