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问题 by在这句话里是什么意思

China may shorten the time to catch up with Western countries in this field by several decades.这里的by怎么理解呢？

问题 现在分词短语是否做宾补

Jack finds the sign reading “Take care of him. He bites,” and, terrified, ascends a desk to avoid getting bitten.请问老师：1 reading “Take care of him. He bites,”是现在分词短语充当宾补成分吗？2 形容词terrified是做状语修饰动作ascends吗？

问题 改错: have a very large house to live in

He wants to have a very large house to live in.这个句子有错吗？

问题 requiring face-to-face conversation分词用法

 In some countries no major business is carried on without eye contact, requiring face-to-face conversation. requiring face-to-face conversation是分词做状语吗？

问题 分析：He was very kind to help us.

请分析：He was very kind to help us.句中的不定式 to help us 是什么成分啊？结果状语还是原因状语？还是其他什么状语？有什么书上有分析吗？

问题 定语从句的问题

In the Tianjin fire accident, so many brave soldiers died for saving people _______ we know where our power is from.A. who           B. that          C. as请问这道题为什么选 B，还有就是这个句子怎么翻译，where 开始是什...

问题 疑难句中as的理解

We should grasp as much knowledge and learn as many skills as we can and prepare ourselves for the future careers.请问句中的各as如何理解？as much、as many skills as we can是这么理解吗？请详细解答一下，感谢！

问题 chance表机会时后面能用介词for吗

具体语境为So how can students increase their chances for a job? 句中的for是否正确？ 

问题 分析：Bob is splendid to wait.

分析：Bob is splendid to wait.请问这个句子对吗？如何分析？

问题 in addition和in addition to

... 是”介词in+介词宾语addition”构成的介词短语。in addition to是一个短语介词。 我想问的是，in addition作连接状语，那么”in addition to+后面的介词宾语”是不是也是连接状语？

问题 drive sth home to sb的sth指代

drive sth home to sb/drive home to sb sth这两种表达都对吗？这里的sth都包括哪些成分(动名词，不定式，名词性分句，that从句，wh-感叹句和疑问句，名词，代词)？

问题 句子成分分析（涉及多个时间状语和定语从句等）

原文：He worked five days a week, three of them until eight or nine at night,during a time when his own company had begun the four-day week for everyone but the executives.   译文：他一周工作五天，其中三天工作到夜里八九点，他的公司里除了高级官员，其...

问题 All sb want is to do..没有连接词怎么连接两个谓语

原句是All he wanted was to open a restaurant. 所以延伸到这两种句式All sb want(s) to do is..和All sb want(s) is to do...都没有连接词或者that这种引导词，是怎么同时存在want和is两个谓语的呢？

问题 see fit to do sth

You wil see fit to share it with one of your children.请问这是什么语法结构？

问题 to what+n. 的用法

to what+n. 可以引导什么从句？这种搭配为什么可以引导宾语从句？还有哪些类似的搭配？可以引导定语从句吗？也可以当疑问副词吗？除了常见的引导词，这些引导词只能见一个背一个吗？