While seemingly innocent, this loss of mental focus can potentially have a damaging impact on our professional, social, and personal wellbeing.请问：While seemingly innocent 是不是省略了 the loss of mental focus is？如果是，为什么可以这样省略（即把主谓都省略）？
Intellectual property rights have long been a bone of contention between western countries and China, where counterfeiting is rife and the majority of the world’s electronics are manufactured, including Apple’s iPhone.请问：where 引导的定语从句的先行词是什么？
The government ______ to approve the use of widespread surveillance when the Justice Department took objections.A.is going B.had been C.was about D.is coming这里的“打算”用一般将来时还是过去将来时？
In the park, some old people were seen ______ on the benches, chatting happily.A. having seated B. to seat C.seating D. seated答案为 D。B 不行，为什么？请顺便解释一下seat 的用法，以及与 sit 的区别，说 seat 是及物动词，它就得用 seated 的形...
Sam has been appointed _______ manager of the engineering department to take ________ place of George A 不填；不填 B the;不填 C the;the D 不填；the我选得c 答案是d 后面有of引导的介词短语修饰该n，为什么不是指特指呢？答案中说到man...
句子： The problem is that health care costs will escalate, imposing a burden on taxpers.1. 请问imposing引导的算是从句的简化还是插入语呢？2. 请问逗号后的是短语还是完整句子呢？为什么要用ing形式？3. 写作中这种结构该怎么使用呢？请老师回...
They sang songs near the campfire.句中 near 是什么词性呢？如何理解 near the campfire 的成分呢？Susan sat on a chair close to the window.句中 close 是不是 adj. ？如何理解 close to the window 的成分呢？
一般说来，than 从句省略主语主要有两种可能：一是主语为比较项的对应项，二是主语为形式主语it。但下面这个句子却无法用上面这两种方式来解释：The result will be less effective than would be achieved by a teacher in harmony with the unit. 请...
下面的句子成分我是知道的：My wife Mary is a teacher.(Mary 是同位语)Mary, it is you that I love. Don't you know? (Mary 是呼语）但是下面这句呢？The gift is for you, my dear wife. 这里的 my dear wife 是什么成分？
有这样一道改错题：In small village like this, everybody knows everybody else.参考答案是在 small 前面加不定冠词a，我的改法是将 village 改为复数 villages，但老师没有给分，理由是后面接的 like this 表单数，所以前面也要用单数。请专家老师...
Premier Li Keqiang delivered a speech on behalf of the Chinese government during the meeting.on behalf of 介词短语在句中是作什么成分,是作状语吗?那么做什么状语是介词短语作方式状语吗?我搞不懂每个意群在句中做什么成分.这个问题回答后希望有人...