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问题 excuse me与sorry的区别

为什么用： Excuse me! You can’t take photos here.可以用：Sorry! You can’t take photos here. 吗？

问题 代词的指代问题

…However, the couple is throwing trashes into the river, and lots of garbages are floating on the water; that are so disharmonious.我想用“that”代指前面的“the couple is throwing trashes into the river, and lots of garbages are floating on the water‘’可以么？

问题 一般现在时表现在的情况

假设Tina昨天刚进入一家医院工作，那今天可不可以说：She works in a hospital now.还是说用现在进行时会更好？

问题 as+形容词

1. We look on music lessons as dispensable. 这里as是副词吗？ as dispensable是宾补，对吗?2. We look on music lessons as they are dispensable. 这里as they are dispensable.是句子里的什么成分？可以把例句1改成例句2 这样表达吗？

问题 thought of as用法

The Renaissance was theusually thought of as beginning with the accession of the House of Tudor to the throne in 1485. 这里的thought of as介词后面可以接as？

问题 短语动词如何分辨，还有合成谓语是什么

短语动词如何分辨，还有合成谓语是什么？那些固定搭配不定式，或有介词的可以看成一个整体是谓语不，当对于多个动词构成的谓语这里不是很懂.

问题 while although 的区别

Although senior citizens can contribute to society, I would argue that this demographic change can bring some problems. 这个句子中的although 是否可以替换成while？同样是引导让步状语从句，while 和although 有什么区别么？ 谢谢老师的回答

问题 way是否能与by搭配表示通过…方法

我们知道，in a ... way表示以…方法，是否可以用介词by？

问题 关于of的疑难

John smokes a specific brand of Cuban cigars imported by a friend of his from Havana.这个句子中“a friend of his from Havana”是什么意思？his后面不是要接名词么？怎么可以接from Havana？还是说这整体和前面的of有关？

问题 very much 修饰形容词

She is still very much concerned about the development of education?1. 这里的concerned为什么可以被very much修饰？2. very much一般修饰哪种词？

问题 副词修饰动词的位置

...词修饰动词的时候应该放在后面吧？副词修饰句子的时候可以在前面或后面。比如：The children must learn how to behave properly in church.孩子们做礼拜时必须学会举止得当。He doesn't know how to properly tie a necktie.他不知道怎样正确系领带。

问题 after和before 的区别

Half a month passed quickly before I knew it, and I learned how to deal with different people.请问把before换成after为何不可以？我了解她后，又过去了半个月。谢谢！

问题 并列谓语时状语的修饰范围

如：You can both turn the TV on and change channels with the remote control.这里状语with the remote control，是修饰change，或者是整个句子？还是说都可以？这里有什么原则吗？

问题 a second time成分分析

But when he departed a second time to join the L.A. Lakers.....句中，a second time是名词短语作状语吗？名词短语可以作状语吗？还是省略了介词？

问题 句末介词的作用

Which questions do you not know the answers to?Which ones do you need more information on?上面的句子来自2019版人教版高中英语新教材必修一的 Unit 4（p57）。请问句末的介词起什么作用？为什么要加这个介词呢？可以不要吗？