问题 连词的问题

The villagers and towns were usually perched on the edge, so as not to waste arable soil and because there was a need to live beyond the reach of the annual floods.这里and because为什么可以这么用？

问题 dream(梦)可以接that引导的同位语从句吗

Lion dancing dates back thousands of years, to the Tang Dynasty, and a legend about the emperor having a dream ______ a lion saved his life. 老师们，这个题答案给的是where。想请教一下，这里如果看成dream引导同位语从句，填that可以不？

问题 be pushing 50 是什么意思

I don't think he's very young, he must be pushing 50.句中的 be pushing 50 是什么意思？是大约50岁吗？谢谢解释！

问题 several 表示“多少个”（可以表示“两个”吗）

several 通常翻译成“几个”，它可以表示“两个”吗？比如一个人只有两本词典，他可以笼统地说 I have several dictionaries 吗？

问题 不定式做状语还是宾语补足语

I have never known it to snow in July before.这里的不定式做什么成分？做状语？宾语补足语？

问题 修饰范围

...宾短语后跟副词，有观点认为副词修饰整个动宾结构。如I play football well.认为well修饰play football这个动宾结构。可是从定义上讲副词修饰的只是动词，我们是不是应该认为well只是修饰动词play的，play well的对象是宾语football。如果...

问题 定语从句还是同位语从句

You have no idea how complicated this situation is.You have no idea how worried I was.这种句子怎么分辨定语从句还是同位语从句？有什么简单有效的辨别方式吗？

问题 not always 的理解

always 频率副词位于情态动词的后面，所以可以翻译成我总是不能理解你嘛？（比如 I can not always understand）但是有老师说这里的not always是部分否定，那应该怎么翻译呢，我不能总是理解你，还是我不总是能理解你呢？

问题 一个句子的成分分析

Dev Kumar Thapa and Anshu Pandey, two scientists from the Indian Institute of Science, suggest a concoction of gold and silver nanoparticles achieves the Nobel Prize–worthy goal。这是在Scientific American上一篇文章中的句子，我感到困惑的是 achieves的主语是谁？是指...

问题 can表示理论性推测时不能后接不定式完成体和进行体吗

...句子：Sitting in front of a screen for too long can be damaging to both the eyes and the physical posture of a young child.这个句子不是can表示理论性推测吗？

问题 这句话的in return for是什么意思

The Aswan Dam, for example, stopped the Nile flooding but deprived Egypt of the fertile silt that floods left——all in return for a giant reservoir of disease which is now so full of silt that it barely generates electricity.翻译是：以阿斯旺大坝为例，它挡住了尼罗河的洪水，...

问题 be clever at与be clever with的区别

问题 If it were not for…用于过去情况

...指现在情况，故主句时态为could grow）If it hadn’t been for the doctor’s care, I wouldn’t have recovered so soon. 要不是医生的照顾，我不会痊愈得这么快。（指过去情况，故主句时态为wouldn’t have recovered）2. 但下面的句子就不好理解了：If ...

问题 stand on top of each other's face 究竟是什么意思？ 

...vada.He has resumed outdoor rallies in front of thousands of people,saying they're no different than the ongoing "black lives matter" protests.If you're willing to riot and stand on top of each other's face, and do whatever the hell you want to do, you're allowed to do...

问题 状语还是定语

Meanwhile, the theft of information about some 40 million credit-card accounts in America, disclosed on June 17th, overshadowed a hugely important decision a day earlier by America's Federal Trade Commission (FTC) that puts corporate Americaon notice that regulators will act if firms fail to provide...