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问题 牛津词典上的这两个例句有什么不同呢

Both men wore confident smiles.They wear a frozen smile on their faces.为什么smiles一个是复数一个是单数，这里的强调的点是什么关系？主语不都是复数吗？

问题 camel’s hair还是camel hair（骆驼毛）

In those days, a brush was made from __________（骆驼毛）.请问是该填camel’s hair还是camel hair?

问题 这里的keep是联系动词吗

朗文 Keep [linking verb, transitive] to stay in a particular state, condition, or position, or to make someone or something do this(使)保持﹐(使)处于Keep your room tidy.保持房间整洁。如果这里的keep是连系动词的话，那么这里的room做连系动词的宾语吗？还是说...

问题 请问这个句子是什么结构呢

Many people now misunderstand emotional inte lligence as almost everything desirable in a person's makeup hat cannot be measured by an IQ test，such as character， motivation，confidence， mental stability，optimism and “people skills”请问这个句子的结构怎么划分呀？as在这里...

问题 虚拟语气的从句未用虚拟语气

老师好！请看下面一个句子：If each person plays their part—even for just one meal a day—Hong Kong would already be on its way to making considerable progress towards sustainable seafood consumption.请问为什么后面用了虚拟语气，但if从句是一般现在时。

问题 trend后面为什么不是to ride呢

China has seen a trend riding shared bikes since last year.想请教一下这里为啥是riding而不是to ride呢，因为to ride表示将来、所以这里不能用to ride吗？

问题 “复数+and+复数”作主语时连用all还是both

Myths and legends are _____ very old stories.A. all    B. both请问如何选？“复数+and+复数”作主语时连用all还是both？

问题 作主语用There being…还是There to be…

There ______ a swimming pool in our school is what we expect.是填 being 还是 to be，或是两者都可以？为什么？

问题 一个句子的理解与结构分析

.... and the catalouges will have the  voice commads to place orders.这里的 will have the  voice commads to place orders 怎么理解。句子结构成分怎么理解？

问题 can和could用法存疑

Jack_______not be a policeman, for he is much too short.请问老师这里用could和can都可以吗？两者意思有什么区别？另外couldn't have done 和 can't have done 是否都表示对过去事物否定推测？如果是，什么时候该用couldn't have done 什么时候又...

问题 前置形容词和名词为什么可以用逗号隔开

Rich or poor, people here will get a relatively level playing field.各位老师好，这里的Rich or poor,为什么还加了逗号呢？

问题 不及动词的过去分词可以作后置定语吗

请问：不及动词的过去分词可以作后置定语吗？比如看到这样一句：A man just come back from India is said to have suffered COVID-19.这个句子的 come back from India 是修饰 man 的后置定语吧？难道不及动词的过去分词也可以作后置定语吗？

问题 一个句子可以有多个宾补吗

...谢您查看我的问题。在这个句子 Dumbledore sent him off to Romania to live in a colony. 中，请问这里 off, to Romania 和 to live 是同时作 him 的宾补吗？查了字典有 send sb + adv./prep. 和 send sb to do sth 的用法，请问这一个句子是不是同时存在3个宾...

问题 It seems that...中的that从句是什么从句

It seems that he has caught a cold 中的 that 从句是什么性质的从句？是不是主语从句？如果是的话，那这个 that 从句可以移动至句首吗？

问题 sci-fi的语法与构词知识

In this unit, you will write a sci-fi short story.这是2020版高中英语人教版选择性必修第四册第一单元(p1)的一个句子。请老师说说它的语法与构词法，有类似的构词吗？