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问题 不定式作同位语还是作定语

On the same day Biden introduced his health team, and detailed his plan to fight the coronavirus when he takes offices in January.请教老师，这里的to fight the coronavirus 是his plan同位语，还是定语？我认为是同位语，可有同学说是定语。

问题 passionate 后接 to do 与 about doing

We are passionate about reducing waste, carbon and chemicals in our environment.这是 2024 年新高考全国卷2阅读理解 C 的一句话。请问句中的 about reducing 可以换成不定式 to reduce 吗？

问题 关于It is开头的句子的疑问

It is the temperature of air that surrounds our parcel that determines whether it continues to rise or stabilises.疑惑为什么前面有It is？the temperature of air that surrounds our parcel是定语从句修饰后的主语，determines是谓语，whether it continues to rise or stabilises是宾...

问题 关于it指代人

请问一下，it怎么指人。Suddenly,my eyes fell on a photograph.It was a little girl wearing a carefree smile.我查词典it可以指代不明性别的动物，可她说了是女生。谢谢了！

问题 it指什么

It is about 500 kilometers from here.这里的it指什么？

问题 Isn't it strange that...和It is strange that...的区别

① Isn’t it strange that he should have left without telling us？真奇怪他没说一声就走了！——《张道真实用英语语法》② It is strange that the wheel should turn so slowly. 真怪，这个轮子转动竟如此之慢。——《科技英语阅读手册》两句同样是表...

问题 分析：It is a clever child who can do it.(什么从句)

It is a clever child who can go to college at the age of 12.请问这个句子如何分析？who引导的是什么从句？或者说这是强调句吗？

问题 If it is necessary还是It you&nbs

If necessary (=If it is necessary), ring me at home. 如果必要，可往我家里打电话。 这里的 if necessary 是个省略句，它等于 if it is necessary，我想问，可以等于 if you are necessary 吗？因为后面是祈使句，省略的主语应该是 you，对不对？

问题 it makes no sense to do sth是it做形式主语to do做真正主语吗

it makes no sense to do sth是it做形式主语to do做真正主语吗？

问题 句中的it指代什么

Have a drive in my new car. It is easy to start. 请问句中的it指代什么？it是指代名词the car，还是指代不定式to start？

问题 it this指示代词

He doesn't have any particular need. This makes him fit for your position. This可以换成it吗，换成it的话It是指示代词作主语而不是形式主语？

问题 表示时间的by到底能不能与持续性动词连用

...到 1939 年。但是，我看到这样一句：He was very tired by the evening. 他晚上的时候，他就很累了。这怎么解释？表示时间的by到底能不能与持续性动词连用？有何规律？谢谢专家！

问题 it is kind of sb to have done sth中的it指代什么

有这样一个句子：it is very kind of you to have given us so much money.我知道这个 it 是形式主语，但它是指代什么呢？是指代 to have given us so much money 还是 of you to have given us so much money？谢谢！

问题 某些固定句式中 it 指代什么

when it comes to ... it goes without saying that ... it到底是指代什么？必须有一个明确的指代吗？

文章 “prefer+v-ing+to+v-ing”的尴尬

...d in gerunds (sometimes with the second -ing form deleted) we find both to and rather than: He preferred living like a Grecian, to dying like a Roman. — J. W. Croker, 20 July 1815, in The Croker papers, 1884 (OED)（笔者注：从此例可以看出“prefer+v-ing+to+v-ing”由来已久。）It s...