问题 already与现在进行时连用

Big Data is already enabling better forecasting of wind and solar production and demand.He was already balding at the age of 25.The furniture is already showing signs of wear.为什么用进行体，不用一般体？

问题 关于虚拟语气的疑问

老师好！有这样一道选择题：If it _____ for the large orders we receive (received ?) from our regular customers, we could not have quoted for supplies even at that price.  A. was   B. is    C. is not  D. were not 参考答案是A. was。请问，为什么不能选择 D. were not？

问题 in a couple of months连用过去式

You got a birthday coming up in a couple of months. 如题，为什么用 got, 而不是 WILL GET, 为什么用 coming up 而不是 COME UP?

问题 in order to的意思

Love means having a want for the person I love without having a need for that person in order to be complete.译文：爱意味着对于我所爱的人，我需要他，而不是没他不行。without 后半句怎么理解这个翻译，字面意思是: 没有一种为了完整而必须要有他的...

问题 tuck sb in/up的词典解释

牛津词典给出的解释是: to make sb feel comfortable in bed by pulling the covers up around them. 意为把...的被子掖好我想问下pull up这里应该怎么理解？pull是拉起来的意思，up作小品词可以理解为改善吗？

问题 ​to/on/in the north of

to/on/in the north of……中的介词都可以省略变成north of ……吗？还有The Great Wall is north of Beijing中省略的介词是什么呢？这两个问题我实在找不到答案，谢谢各位大神帮忙解疑。

问题 in the need to do sth 的理解

These firms have been given a tough lesson in the need to diversify their markets.请问红色部分怎么理解？

问题 in the 1980s中的1980s是复数吗

在 in the 1980s（在20世纪80年代）这类用法中，1980s是一种复数吗？有人说它是复数，但我觉得它不能算是复数吧，因为 1980s 并不表示很多个 1980。如果说它是一种复数，有相关的依据吗？

问题 分析：A friend in need is a friend indeed.

我知道 A friend in need is a friend indeed 是一句谚语，意思是：患难见真情。患难朋友才是真朋友。患难之交才是真朋友。但我对这个句子的结构不甚理解，主要疑问有二：疑问一：句中的 in need 是什么意思？作什么成分？疑问二：in...

话题 疑问词 in what other ways

话题 最高级后面接介词in还是of

问题 is based后面为什么没有介词in

The plan needs to include Operational information such as where you business is based, who your suppliers are and the premises and equipment needed.is based后面为什么没有介词in？

问题 the following month前面为什么不加介词in

老师，这个the following month前面为什么不加一个介词in哇？

文章 对中国外语教师群“有问必答”的问题商榷（之八）

...，作为先行词来说，尚未到达上述要求。因此，使用which和that引导定语从句都可以。后面我专门谈这个问题。下面，我们通过例句证实：1. some + 名词 + which的例句：1. He was still taking some medication which slowed him down.  他仍然在服用...

问题 When he came in, all stopped talking.错在哪

下面的句子有错吗？When he came in, all stopped talking.谢谢！