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问题 must还是have to

People ____ go to bed early. It's good for their health.填must还是have to呢,这里是表示主观还是客观呢？

问题 China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth. 这几个介词短语的位置不理解。

2020高考英语全国1卷 语法填空63题 原句子:  China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.汉语意思是 中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以在...

问题 try to have done 的用法

to have done 只能表示动词发生时间先于谓语动词之前吗？ 例句：I could have tried to have been more fun and sexy. 请问这句话与“I could have tried to be more fun and sexy. ”的区别是什么？

问题 to choose from是做目的还是定语

We‘re able to build such a strong astronaut corps at NASA because we have such a strong pool applicants to choose from请教下to choose from 是做为目的，还是定语 谢谢

问题 decide是否等同于be determined to

有书上说decide = be determined to, 例如：I decided to conduct an experiment.= I was determined to conduct an experiment.请教老师们：1）上面所言正确吗？2）为什么decide不等于动词determine呢？

问题 thanks to的用法

Alibaba became one of the world’s biggest internet companies thanks to the growing wealth and online shopping habits of Chinese consumers. thanks to在这里作什么成分?

问题 lecture to的用法

X is sick of being lectured to by Y. 请问这句话为什么要加 to，如果改成 X is sick of being lectured by Y 意思不是一样吗？

问题 12 pieces to a box 在这里的成分是方式状语吗

Pens are packed 12 pieces to a box and 200 boxes to a wooden case.请问：12 pieces to a box是方式状语吗？200 boxes to a wooden case也是方式状语吗？

问题 插入语里的to 能否去掉

In the late-2000s it experienced a boom and bust cycle in America and, to a lesser extent, Europe.老师您好，请问插入语to a lesser extent里的to能否去掉，它的作用是啥？感觉它和文言文里的之很像，简短而又难懂。谢谢！

问题 emotional appeal to 如何理解

Still others depend on an emotional appeal to the worker.这句话不懂，emotional appeal to 如何理解呢?

问题 seem to be的用法

句子I seem to be heading in the wrong direction. seem to be 在句中里作什么成分？

问题 from...to 属于什么类型的状语

It varies from situation to situation.请问大家，from...to这个属于什么类型的状语？

问题 turn to for advice是什么意思

下面句子中的turn to for advice 是什么意思？为什么有两个介词to for，是固定搭配吗？ Without someone to turn to for advice, making the most appropriate choice can be difficult.

问题 expected to be 的用法疑问

在牛津上看到 absence 的解释如下，有一句看不太懂：the fact of sb being away from a place where they are usually expected to be.请问老师they are usually expected to be 怎么理解？尤其是 to be，be什么？是省略了吗？他们通常期望的一个地方？

问题 这句话中from...to...这个成分的是做状语吗

bitcoin advocates will point to a number of possible advantages, from the ability to use the blockchain to track things other than single money to the built-in support for "smart contracts".