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问题 作保留宾语的关系代词是否可以省略

But surely the strategies you were taught for dealing with that vocabulary were helpful.这是师生对话材料里的一句话。各位老师，如果是书面语体，作保留宾语的关系代词是否可以省略？我查了下资料，没见到具体说法。

问题 具体名词抽象化怎么表示

...表抽象意义。像lose heart这种一个不加冠词表抽象，而像the schoolboy（中学生的稚气）这种加定冠词表抽象，到底是怎么一回事呢，他们有什么区别

问题 不定式中be的省略问题

1.You used to be a peasant?Yes, I used to be.答语中的be可否省略？是必须省略吗？2.Aren't you the chairman here?No, and I want to be.答语中的be如何处理？可否省略？是必须省略吗？

问题 but(除…外)置于句首是否常见

But to run the country and get legislation through parliament, he needs a prime minister and a government, and that looks tricky.问题：请问but 在这里是表示除…以外的意思吗？置于句首是否常见？

问题 franc（法郎）只是法国的货币单位吗

Full pension is 50 francs a day. 全部退休金为每天50 法郎。You can get 10 francs to the pound. 1英镑你可换10法郎。He changed his dollars into francs. 他把美元换成了法郎。请问这些句子中的 francs 仅指法国的货币吗？

问题 like引导的介词短语能作状语吗？

Like Jack, Bill and Tim also went to the party. 像杰克一样，比利和蒂姆也去了聚会。 原句是 Besides Jack，问问老师用 like 行不行？Like Jack 是什么句子成分。谢谢。

问题 特指的witnesses前没有定冠词

...像就算是表特指的吧？但为什么前面都没有用定冠词呢？Their threats inhibited witnesses from giving evidence. 他们的恐吓阻碍了证人提供证词。Witnesses say the firing was deliberate and sustained. 目击者说枪击是蓄意而且持续的。

问题 get spent用得恰当么

She is concerned that her savings are not secure stored at home.She says sometimes her husband takes the money. Sometimes it gets spent.这句话中的get spent应当是被动语态吧，不过老师说不是所有的词都可以用get被动语态，那么这里的spent可以么？

问题 vary between与vary among的区别

Diet varies _______ different countries in the world.A. between               B. among 请问如何选择？同时请老师具体谈谈它们的用法。

问题 in after hours trading是什么意思

Apple shares fell 8% in after hours trading. Its shares have fallen close to 20% over the last twelve months.请问：in after hours trading 是什么意思？

问题 不定式完成式可以修饰名词或代词作定语吗

The man ______ a desk is my father.那这道题用 to have made 可以吗?

问题 when与while用法区别（从句为过去进行时）

Tom found a purse on the ground when he was walking to school. 请问为什么不能用 while?

问题 he who 与 whoever 的用法比较

_____ wins the election will face many problems. A. Who    B. Whoever    C. He who 正确答案给出的是B选项。我的疑问是C是不是也可以？

问题 be set to do 的句式分析

老师 be set to do sth, 这里的 be set to 是否可以看作半助动词？应该他也有情态意义。如例句，The trial is set to last two weeks. 辛苦老师解答。

问题 人称代词（如him）可以有修饰词吗

I watched Liming in his red jacket hobble to the road side.这个句子里in his red jacket作Liming的后置定语，但是把Liming换成him，in his red jacket也仍是him的后置定语吗？