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问题 分析句子

At the same time , passengers are demanding more from their air travel experences which will drive more improvements touching all aspects of the journey.请帮我分析这个句子的结构吧

问题 date from与date back to所连用的时态和语态问题

date from 与 date back to 这两个短语只能用一般现在时，不能用于被动和进行时。可是我看见过 dating from 这种形式为什么呢？前面是一个名词，后面不能用 dated back 为什么？谢谢

问题 介词about和with表示关于意思时的区别

... to be unreasonable. 请问:1. a problem with 是否可以跟动名词和名词？2. a proble是否可以加介词 about，这时它和 with 有什么区别？

问题 need sth for sb和need Sth to sb有什么区别

We need some information for him.We need some information to him.这在句意和组成成分上有区别吗？

问题 Long before ...years 和 as early as...years ago

老师您好！请问早在6000-7000年以前为什么可以用as early as 6,000 or 7,000 years ago而不能用long before 6,000 to 7,000? 二者的区别是什么？而且第一句里为什么用or连接6000和7000？谢谢老师！

问题 虚拟语气的理解

... 我实在想不通C为什么不可以？选D：如果人类少一点贪婪和残忍，更多的鸟类和动物可能会避免灭绝的。如果选C: 如果人类少一点贪婪和残忍，更多的鸟类和动物本应该会避免灭绝的。 2）如果改成could have avoided 和 would have avoide...

问题 truly 和really的区别-续

请教专家老师，是不是选A也对？ It is_______nice of you to say so. A. truly B. true C. really D. real

问题 of which和among which的区别

Our teacher has written many books, of which this is only an example. 中的of which 是否可以换成among which呢？

问题 want省略和保留to的区别

I’ll finish it on time if I want to. I’ll finish it whenever I want. 为什么有的句子从句到want就结束了，而有的句子却需要保留一个to？

问题 what在句子中用法和指代

That is what makes a bloke.I aint go much sympathy like with them what is always thinking of causes.在这个句子里面what is, 什么从句，为什么不是who are后面有think of, 主语应该是them

问题 search 和 search for 用法辨析

They don't have the time or money to search the rocks.They don't have the time or money to search for the rocks.我感觉以上2句一样的意思，对吗？

问题 名词修饰名词和of结构的区别

The Grand Canyon is one of the natural wonders of the world.这句话是否可以改为以下句子？如果可以，句意上是否有区别？The Grand Canyon is one of the world natural wonders.

问题 现在分词做后置定语和伴随状语混淆

Chinese students can be seen as cultural envoys promoting friendship between nations此句中的 promoting 做后置定语可以理解为 envoys 去 promote也可以做伴随状语理解为 Chinese students 去 promote 请问是哪种呢？

问题 动名词doing和having done 有什么区别

这比如说这个deny一会儿doing 一会儿having done

问题 英语作文修改

...际情况，可适当发挥。2.不要出现自己真实的学校、姓名和班级。我的文章：Dear Linda,I'm glad to hear from you! Everything is excellent! How are you lately?I'm much taller than before, yet the weight did not change a lot. Therefore, I look a bit thinner and I'm in a good s...