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问题 本句介词结构是什么状语

However, he went on to explain that he was not too sure about two things.请问，本句中介词短语about two things做句子的什么成分呢？是状语吗？是怎么状语呢？谢谢！

问题 限定词的选用

—Hello, can I speak to Mr. Wang Xiao, please?—Sorry, there is no ______ man in our company.A. this     B. this a    C. such      D. such a

问题 should的用法疑问

It is not uncommon to require a second laser treatment should your eye pressure remain high after the first treatment. 如果第一次治疗后眼压仍然很高，则需要进行第二次激光治疗，而这种情况并不罕见。请问：这里的 should 是什么用法？谢谢！

问题 off表示使用的用法

 He has a house in every capital, has his dinner off gold plate, and can prevent Russia going to war when he wishes.off在这是表示使用的介词吗？和with和by有什么区别？

问题 英语难句分析

麻烦老师分析一下:Research carried out at the University of North Carolina indicates that the speed at which human nails are growing has increased by close to 25 per cent over the last 70 years.因为看不懂，所以请求分析一下，谢谢了！

问题 that从句作定语的判断

It was Tomb Sweeping Day, the traditional day that Chinese people pay tribute to their ancestors.请问这个that从句是作定语吗？如果是，那么that是不是应该改为in which?

问题 句中about it作什么成分

此句中about it作什么成分，感觉没有必要使用啊!The secret to eating less and being happy about it may have been cracked years ago.

问题 关于倒装句的一些疑问

Only because he lived in the area was he allowed to pass through.请问这句中的 'was he' 表达相对于 'he was' 好在哪里，以及什么情况下可以用这种倒装？

问题 为什么从句里助动词是原形

He commanded that roads be built to link castles across the land...

问题 for+一段时间可以做定语吗

continuous IAP promotion for two-month to boost revenue. 老师请看一下这个句子 for+一段时间是否可以做定语。

问题 as between的用法

She was honest enough to admit that life had failed her. And as between apathy and pain she had made her choice.请问各位专家老师as between是不是两个介词连用，as后边省略了自己的宾语?

问题 句子成分分析（表语的判断）

While I was at the booking office buying a ticket, father saw to my luggage.请问各位老师，I was的表语是at the booking office还是buying a ticket呢？

问题 than作连词的用法

我十分混乱，比较级+than是比较状语从句的连词，但是这句话算是“比较级+than”吗：things turned out to be much better than expected.这句话比较级+than没有引导从句不属于从属连词，那这个than属于哪一类连词？

问题 near 的用法

It's also interesting to note that microclimates that are near each other can have very different conditions. 请问老师， microclimates that are near each other 怎么理解，这里的 be near each other 的是哪种用法

问题 find 的三种句型搭配

I find Frantzen to be a very accessible artist.I find Frantzen being a very accessible artist.I find Frantzen is a very accessible artist.意思上有什么差别？