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问题 不定冠词还是定冠词

...in a circle  and one person stands with his or her back to the circle and does not watch where the "potato‘’ is. Everyone passes a ball or a ...

文章 英语基础语法快速入门——情态动词

...即使用“must+have+过去分词”这样的形式。如：He must have lived here. 他一定在这里住过。I must have read that in some book. 我一定是在某一本书上读过这个的。She must have been very young when she got married. 她结婚时一定很年轻。注意，凡是对已...

问题 请问：到底是倒装句还是就近原则？

Between the desk and the window are some shelves.Next to that is a desk with my computer on it.1. 资料书上说：between ...and....is/are (就近原则)Next to ....is/are......(就近原则)2. 自己以前的理解是：这两个句子都是全倒装，be动词跟主语一致。请问: 资料书...

问题 过去分词短语为什么没有逻辑主语

With its slap-bass synth and fusion of blunt textures and funk rhythms, vividly brought out by the band ，Neon is in many ways typical davies.本句有点怪异，红色部分 brought out 逻辑主语（或者说逻辑宾语）怎么找不到呢？从语意上看，不应该是 Neon 啊。另外，...

问题 trouble前为什么不加冠词the

Right from the start there was trouble with the Hubble. 是不是因为trouble是不可数名词，所以这里用单数谓语was? 是不是因为trouble是不可数名词，所以这里不可用冠词a, 也不能用复数troubles?但trouble前为什么不加冠词the？

问题 Need identification of oneself什么意思

Differences in values should be considered especially when working with team. Learn to respect individual values and principles. Need identification of oneself must be done in order to modify toward company needs.最后一句表达的是什么意思？Need identification of oneself什么意思...

问题 than后面接句子的省略用法

一道选择题：A light with no more power than______by an ordinary electric light bulb becomes intensely strong as it is concentrated to a pinpoint-sized beam.A. that produced B. that is produced C.produced这题选什么？请老师给出解题思路，谢谢！希望老师再给出一些类似...

问题 (a medical record) Pulmonary: Breath sounds are e

Does“with good air entry and exit”means the pulmonary ventilation is good?

问题 add to意思

... individuals; it has no brain or stomach of its own; it must think or feel with the brains or nerves of its members. 但是，群体除了是由单个的人组成外，并不是真正具有生理作用的有机体，它没有自己的大脑和肠胃；它必须依靠其成员的大脑和神经...

问题 whether to be hopeful... 这里是否可以省略

曾看到这样一句话：The principal’s inbox has been flooded with emails from students wondering whether to be hopeful about a new teacher. whether to be hopeful... whether后是否有省略，可不可以这样用呢？

问题 过去分词和being加过去分词，意义上有什么不同

请问老师这句话，to everybody's surprise, the meeting ended, with nothing settled. 为什么不可以写成 being settled的呢？这个也表示被动，请问有什么区别吗？谢谢

问题 过去完成时时态问题

...at all,’ I answered. ‘I’m going to …’‘Would you mind my coming with you?’he asked, before I had finished speaking.没等我说完他就问道。不太理解的地方在于，一是before后面的内容应该是后发生的，为什么这里before后面用的是过去完成时而不是...

问题 having opened 是什么时态

...s the oldest system, having opened in 1863. It is also the largest system, with 394 kilometres of route.The Los Angeles network is the newest, having opened in 2001, while the Kyoto network is the smallest and serves only 45 million passengers per year.这个句子是出自，雅思考官simon范文...

问题 the forest floor与the forest ground辨析

The forest floor was carpeted with wild flowers. 森林的地面上开满了野花。这里为什么用 the forest floor，而不用 the forest ground 呢？

问题 如何区分since是“因为”还是“自从”

Bombs packed with nails terrorized Brussels on Tuesday in the deadliest assault on the European heartland since the Islamic State’s attacks on Paris four months ago, hitting the airport and subway system in coordinated strikes that were also claimed by the militant extremist group.请问：(1) sin...