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问题 cover plants为什么不用定冠词

If it turns cold, cover plants. 如果天气变冷，就把植物盖起来。这里为什么不用定冠词，说成 cover the plants 呢？

问题 as表示“……之后”的意思

He expects the system to get even better as the engineers tweak its performance. 他预计在工程师对其性能稍加改进后，该系统会运行得更加良好。这句话中as被翻译为“......之后”，但是词典上并没有这样的用法，而只有as of才表示“......”...

问题 before可用作关系副词引导定语从句吗

It was the Friday before he came to see me.这个 before 引导的是定语从句吗？如果不是，它是什么从句？如果是，那 before 引导定语从句有什么规律？

问题 不定式后置定语问题

...等。这些名词多是抽象名词。如: That's the way to do it. 那样做才对。 I have no time to go there. 我没有时间去那儿。这里除了方式和时间，还有什么更多的例句，这里抽象名词又是指那些? 比较迷糊！

问题 英语句子分析

... and cyclists, again overruling the driver and stopping the vehicle before it hits them中文：有些汽车厂家向消费者承诺说，他们正在开发的技术能够探测到行人和骑车者，它不仅能代替驾驶员作出判断，而且还能够在车辆相撞之前将车停下来。问...

问题 by的意思(by the expression)

I could see, by the expression on her face, that it worked no miracle.by在这是什么意思？通过...手段还是按照...的意思？这个介词短语做什么状语吗？

问题 不定式的逻辑主语可以直接用主格吗

I to do it is out of the question. 我做那件事是不可能的. 请问这句话符合正规语法吗？

问题 way back when是什么结构

It turn out I couldn't find anything on the woman, just like you couldnt find anything way back when.anything是宾语，这个way back when是什么结构和词性？

问题 while doing 的逻辑主语判断

是分词作状语吗？while getting的逻辑主语是句子中的哪部分?Its aim is to bring painters together from around the world to paint outside while getting to know each other and sharing their works.

问题 长难句分析

各位老师好，我想问个问题:Whether that is because it is embarrassed about having been forced into such aconcession, or because the purchase agreements are not as solid as American officials suggest,will become clear only when the text is eventually published. 问题一:从句的...

问题 beneath做伴随状语时是介词还是副词

请问beneath做伴随状语时，是介词还是副词？如下句:Inside the cover her name was written, and beneath it this verse : ……

问题 Come to用法

Two hundred years ago,when sport was confined largely to games played in the backyard or on the farm,one could hardly have imagined the attention that it has come to receive in 21th century.请问这句话中has come to receive的come to该如何理解?是理解为逐渐吗？

问题 is 和 can 为什么可以连用

Anything I could do without, but it is can not do without you! 句中 is 和 can 为啥可以用时存在，句子怎么翻译是什么结构什么句型? 谢谢!

问题 关于before作副词的疑问

1.He said we had met 2 weeks before.2.We had met 2 weeks before.3.It had been fine the week before.请教老师2 weeks before 与 the week before 都是过去的一段时间，为什么第二句不对，第三句对呢？

问题 强调句中强调人时可以用 that 吗

It was John that wore his best suit last night.这是专四题目中的一个句子，按说强调句中人后面不应该用who么，怎么用的that 呀？