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问题 so是替代词还是副词

请问刘老师：这个so是替代词（替代the first day of winter）还是副词（表确实）呢？—Today is the first day of winter.—Why, so it is.如何区分so作的是替代词，还是副词（表“也，确实”）？

问题 关于某国人的说法

请问各位老师，“他是某国人”该怎样说，比如：他是德国人。写成：He is German. 还是 He is a German.那么其他国家的人呢？比如：他是中国人/日本人/法国人/美国人等该怎样写？Chinese/Japanese/French/American前是否要加冠词，谢谢！

问题 as+从句相关问题

问题1：He is not so free to do as what he wishes to do.as介词“如同”，as+what从句构成的介词短语作什么状语？问题2：A child is not happy as he wishes to be. as he wishes to be介词短语作什么状语？

问题 连词as表示时间还是原因

1 Do not bother Tom as he is shaving.2 Cindy cannot talk to you on her cellphone as she is driving.请问老师：以上两个例句中的连词as到底表示时间还是原因呢？求指教！

问题 关于英语名词“可数”概念的定义

薄冰说：The horse is useful animal.Horses are useful animal.这两句中，既不是一匹马也不是许多马的意思，所以都是不可数名词。但是我们确定可数与不可数不就是为了看用 is 还是 are 么？

问题 单个的 provided 可以作后置定语吗

I think it is important that the aid provided is used for the intended purpose.这个是形容词后置吗？还是说这是个短语？

问题 关于宾语从句时态的问题

The results showed that the average number of daily steps of people across the world  is / was 4,961,according to an article published in the journal Nature.请问一下这个宾语从句里面的 be 动词填 is 还是 was?

问题 被动语态的时态问题

The Brief History of Time ___ by Steven Hawking. It is a great book about science.A  is written   B was written 难道该句子只能用被动态的过去时？有无可能用一般现在时来被动表示“客观的常识，还有常态化的含义？

问题 非限制性定语从句

The physicist has made a discovery, ______ of great umportance to the progress of science and technology.A.which I think is  B.which I think it is请问选A和选B有什么区别？

问题 anyway的疑惑

The idea that some groups of people may be more intelligent than others is one of those hypotheses that dare not speak its name. But Gregory Cochran is prepared to say it anyway. 这里句末的anyway是什么意思？ anyway  1尽管如此  2不过，总之  3至少

问题 如何理解这句话，以及句子结构分析

And one industry in which this practice is common is that of politics.这句话如何理解？其中的that指代什么呢？是指practice吗？

问题 among 介词短语的成分

Whereas the poverty rate among youngsters living with two married parents is 7.5%, among those raised by a single mother it is 35%. 麻烦请问一下老师，这个句子中前面的among短语和后面的among短语分别作什么成分，后者为啥要提前？

问题 surprising与surprised的主语问题

有人说下面两句的主语不能互换：The news is surprising. 这消息很惊人。The man is surprised. 这人很吃惊。但也有人说第一句也可以用人作主语。请专家老师分析一下。

问题 不符合通常句式的强调句

填that, 因为是强调句，但不是很明白，请老师分析下:But do you know what it is ______ that _______ makes the weather change?（一般形式应该是it is...that 啊？）

问题 formal在文中的意思

Ritual is defined by sociologists as "that part of family life that the family likes abiout itself, is proud of, and wants formally to continue."请问第一个"that"和"formally"是什么意思？