问题 otherwise作为否则是后面要加逗号吗，和or有什么区别

问题 what is wrong with the machine是陈述语序吗

As nobody here knows what is wrong with the machine，we must send for an engineer to handle the problem. knows 后的从句 what is wrong with the machine 为什么不用陈述语序？

问题 为什么柯林斯把这个例子叫做现在分词而不是动名词

PREP You use of to combine two nouns, or a noun and a present participle, when the second noun or present participle defines or gives more information about the first noun. 用以连接2个名词或1个名词和1个现在分词，其中第2个名词或现在分词限定第1个名词...

问题 to不定式做定语疑惑

I never should have passed up the opportunity to go to German with my school last year. 请问老师：to go to German with my school last year 是做定语修饰 opportunity，不确定 last year 是不是也属于不定式的内容？

问题 All substances, whether they are gases, vliquid or

请问为什么这句话不对呢，蟹蟹大家

问题 was sufficient 前是否有一个关系代词which或that省略了

NOT all that Mrs. Bennet, however, with the assistance of her five daughters, could ask on the subject was sufficient to draw from her husband any satisfactory description of Mr. Bingley. They attacked him in various ways; with barefaced questions, ingenious suppositions, and distant surmises; but h...

问题 为什么是of不是with

...ession of 拥有是固定搭配，of是空着要填的，我会经常填成with，这里的介词有什么不同呢？要如何理解和记忆，谢谢。

问题 to do不定式的用法

遇到这样一个句子 Not to be confused with hibernation, torpor is more like extreme laziness. 请教老师前半部分not to be confused with hibernation作什么成分？

问题 改错的问题

With the role of the sales force changed from being purely concerned with selling to becoming more involved in marketing and more responsible for maintaining customer relationships, managers recognized the need for expanding evaluative criteria beyond just the achievement of sales goal.这是一道...

问题 agree with sb that...结构分析

一个句子中，同时出现的agree的两种用法：She agreed with her parents and brothers that it would be... 在这个句子中同时包括了谓语agree 的两个用法。agree with SB（介词短语） 和 agree + that（从句）。 请问，是否这些在做及物动词时可以...

问题 句子后面的 on it 是否重复

... building a house, but he was troubled to find it of very irregular shape, with no edges nor corners, nor a flat plane on it. 老师您好！想请问一下最后为什么要加一个on it，不重复吗？如果不重复，是为什么呢？(感觉没太见过with sth on it，一般就是with sth)...

问题 plastic footprint是什么意思

...全国卷Ⅰ）阅读理解C文章中的一句：Von Wong hopes that his work will also help pressure big companies to reduce their plastic footprint.请问其中的plastic footprint 是什么意思？我查《牛津词典》，footprint的意思如下：footprint1. [usually plural] a mark left on ...

问题 关于provide和provide with

...role, providing the basis for our control over  the natural  world and  with  that the key to further improvements in the quality of life.Provide后面可以直接加宾语表示提供，既然provide后面是两个并列的部分，为什么表示提供某物，后一个要加with that？还有...

问题 likely to do的分析

With a second pact covering nuclear weapons likely to expire in two years, the risks of confrontation are growing. with sth doing后的likely to do这里是做结果状语吗，表示有可能失效？

问题 as it merged with traffic是什么意思

...when her car slammed into the back of a tractor-trailer truck as it merged with traffic near Victoriaville, Que.merge 不是融入的意思么，merged with traffic 可不可以翻译成“驶入”？