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问题 请分析两个that分别引导什么从句

German prosecutors expanded the number of employees under investigation to 17, though they have yet to find firm evidence that senior executives knew about the rigged software in diesel cars that yielded false test readings. 请问句中的两个 that 分别引导什么从句？

问题 stay prior是状语还是定语呢？

My oldest son had just finished an extended holiday stay prior to moving to a newstate,a new job,and the next chapter in his life.本句中stay prior是什么意思，做句子的什么成分呢？如果是这么短的定语，为什么会后置呢？谢谢老师了

问题 介词from后怎么能接形容词

far from 有“远非，远远没有”的意思，接形容词, from 我查了是介词，介词后怎么能接形容词？百度翻译中的句子：She walked in, looking far from happy. 她走了进来，看上去一点也不高兴。

问题 classifiers的来源问题

... nouns; verbs are used less frequently.(2) All classifiers of a given type in a language may have one kind of source (either nouns or verbs); classifier systems of mixed origins — some from nouns, and some from verbs.上面两段话，介绍的是 classifiers 的来源：名词或动词。向各...

问题 句中的have done表示什么含义

Some survivors were found to have suffered psychiatric disorders in the aftermath of the earthquake. Others were trying hard to blot out the memory of the tragic event.请问，句中的 have suffered 表示的是从过去的某一时刻起至今都在遭受精神错乱的困扰吗？

问题 翻译一下这句话(涉及杂交狗研究等)

If breeders were willing to breed to dogs with fewer exaggerated characteristics and judges in the show ring began rewarding those dogs, change could happen,” she said.不好意思没有前后文。文章大致是关于杂交狗研究，杂交育种之类的。

问题 涉及非谓语动词用法的选择题

— Why did you call him up in advance?— _____ sure that he was at home.A. To make    B. Make                C. Making    D. Having made请问选哪个？为什么？

问题 be referred to as...结构分析

People who work in offices are frequently referred to as “white-collar workers” .这里的 be referred to as，其中的 refer 是不及物动词吧，所以才接介词 to；可是不及物动词不是没有被动式吗？以及后面的 as 又做什么成分?

问题 动词用不定式还是现在分词的问题

She used to wait outside film studios all day, just _____ (appear) in crowd scenes.老师，这边填to appear, 是目的状语吗？ 但是为什么不可以认为是结果状语，用appeared, 站了一整天，也仅仅只是出现在群演的画面中。

问题 somewhere south of Rome作什么成分

He came from a rocky farm in Italy, somewhere south of Rome. 1. 这里south of Rome为什么是定语？名词性短语可以作后置定语？ 2. somewhere如果是不定副词的话，后置定语可以修饰一个副词?

问题 介词of用法（表示“由…组成…”还是同位关系）

a process of reaching，training and learning ，especially in schools or colleges，to improve knowledge and develop skillsof和后面的动名词短语是什么关系？表示“由…组成…”还是同位语？

问题 关于形容词前没加be疑问

Most of the matter strictly appropriate to a Preface you may find, if you so elect, in the Foreword addressed to Sinclair Lewis.为什么这里的appropriate to前面没加be系动词，如果换做动词也只有及物动词。

问题 camel’s hair还是camel hair（骆驼毛）

In those days, a brush was made from __________（骆驼毛）.请问是该填camel’s hair还是camel hair?

问题 这里的keep是联系动词吗

朗文 Keep [linking verb, transitive] to stay in a particular state, condition, or position, or to make someone or something do this(使)保持﹐(使)处于Keep your room tidy.保持房间整洁。如果这里的keep是连系动词的话，那么这里的room做连系动词的宾语吗？还是说...

问题 while, as, when的用法

...'s errands, washed the bottles, mixed the drugs, spread the plasters, and finally, while the stipulated term drew toward its close, actually took part in the daily practice of his preceptor.这是一道改错题，答案说吧while改成as，请问老师这里可以把while改成when吗？