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问题 常见not…but...，而but…not...常见么

Take taxis, which many economists say will soon be driven by robots. Their numbers tumbled in 2020, but because people travelled less, not because of driverless taxis.我阅读少，第一次见到这种情况。一般是不用but的，或者用not...but...。原文这样写是为了强调not becaus...

问题 一类表达中的yet的意思和所作什么成分

请问曹荣禄老师：1. He'll be busy for ages yet.2. They won't arrive for at least two hours yet.这两句中的yet都是什么意思？这两个yet都作的是什么成分，起什么作用？它们的作用对象到底是谁？谢谢老师！

问题 英语难句求分析与解释

Rather, it involves setting specific goals, obtaining immediate feedback and concentrating as much on technique as on outcome.这句中concentrating as much on technique as on outcome是什么意思？求解释! 谢谢！

问题 hail...as...的用法

State media hailed bike-sharing as one of China’s “new four great inventions,” putting it and high-speed rail, e-commerce and smartphone payments on the same plane as paper, movable type, the compass and gunpowder.

问题 with和and区别

请问一下。我改错上有一题。We put the butter into a large bowl and mixed it with sugar.....added eggs into the butter and sugar为什么用and不用with，sugar和butter之前不是混和了吗？我以为用with表示掺杂了sugar.谢谢了！

问题 how引导的从句作主语还是作状语

It's so beautiful how the water reflects the sky.这个主语从句为什么用how引导呢？此句how做状语吗？如何理解？

问题 求分析all the way词性

 And it goes from the train station all the way downtown, near the gallery.请问有短语的词性词典吗？？很多短语我都不知道什么词性 导致句子无法理解。

问题 essential 为什么跟在名词后面

It lacks the vitamins and minerals essential for health. 这句话essential 为什么跟在了名词后面呢，做的是什么成分? 求指教!~

问题 并列主语主谓一致关系

Water and air is/are necessary.这里谓语动词应该用单数还是复数？谢谢专家老师。

问题 时态问题

what you said is true，为什么不是 what you said was true呢? 如过That was a great trip只能用过去式 那为什么现在却不这么用呢?

问题 词性问题

Working in these conditions is not a pleasure but a suffer.  老师这个句子suffer是不是用错了？此处应该是个名词或形容词对吗?用suffering可以吗？谢谢

问题 句子衔接

Friendship is based on the premise of mutual respect, not allow a bit enforcement, interference nor controlment.请问老师not..nor是一种连接结构吗，所以不需要加连接词吗？

问题 表语从句的疑问

The probability is that prices will rise rapidly. 无法理解这里的that引导的表语从句，不应该使用prices引导吗？

问题 感叹句缺主语

How little time is left！此句是正确的么？是不是少了主语？

问题 twofold的使用

想请教一下老师，The reasons for my resignation are twofold 还是 The reason for my resignation is twofold?