问题 be busy with/ about / over /at有什么区别？

be busy with / be busy about / be busy over / be busy at 这几个搭配，它们在用法上有什么区别？可以随意互换吗？

问题 the need to do后面的to do是不定式同位语还是不定式定语

...指点~ noun  ,  pl   needs  1 : a situation in which someone or something must do or have something 

问题 stay at home cooking dinner如何分析句子成分

Sally and mother stayed at home  cooking dinner.这句话的 cooking dinner 做什么成分？要是换成 to cook dinner 呢？谢谢！

问题 The Flight from Science and Reason 怎么理解

Defenders of science have also voiced their concerns at meetings such as “The Flight from Science and Reason”， held in New York City in 1995， and “Science in the Age of（Mis） information”， which assembled last June near Buffalo.科学的捍卫者们也已经在一些会议上表示...

问题 英语句子的结构分析

The angle at which a color bends in a prism depends on its wavelength.请教下此句的结构，我不理解红色字体的意思。谢谢

问题 分析句子成分

the progress railroads represented was not  to be slowed down by requiring them often to pay damages to those unlucky enough to be hurt  working for them.老师你好，这句话的“working for them”是什么成分。by后面的成分我有点看不懂，希望能分析一下。谢谢老师

问题 at the same time 能引导时间状语从句吗

 First, it was amazing to see somebody’s mouth move at the same time you hear the wordsat the same time 能引导时间状语从句吗？

问题 so 放在句首什么情况下用倒装呢

Each turned to fly-each running pressing pushing against the other. If in the darkness, wife was separated from husband or parent from child there was no hope of their meeting again. Each hurried blindly and fearfully on. So came the earthquake… and so ended life in Pompeii.这个句子是高中...

问题 关于现在完成时与过去时的理解

They _______(arrive) in new york,they are in the hotel now.They _______(go) away, they are back at home now.Everyone _______(go) home, the office is empty now.请问这三个句子改用完成时还是过去时，还是都可以呢?

问题 请教一处单词apply的使用

看到一句话…You will learn how to use three of the most confusing preparation in English, they are“at”、“in”and“on”，as applied to time.我认为句子里单词apply词意应是“应用”，不是“适用于”。可是它前面结构又好像不完整，应当改为as it was ...

问题 being overweight中的being能否删掉

Many students in our school are either wearing glasses because of their poor eyesight or being overweight due to lack of enough exercise.这句话中overweight 前的being能否删掉？Many students are being overweight.还是Many students are overweight?

话题 as soon as look at you

话题 the best man at a wedding

话题 at the back of my refrigerator

话题 at a loss what to say