问题 years old 或 years

...ntly lives in the country and winning applicants must agree to move within one month of being selected.请问为什么加粗部分用了18 years or older而不是18 years old or older？谢谢！例句出处：https://www.travelandleisure.com/jobs/hawaii-remote-work-opportunities-free-flight

问题 shall在此处表达意愿吗还是表达什么

I am only sorry that I shall have the pleasure of looking at you for just one lesson and not the entire day.这句话是一位老师在课堂上安慰一名学生时说的话，我的问题是shall在此处表达意愿吗还是表达什么，是情态动词吗？怎么翻译呢？麻烦老师了!

问题 as作为连词表示“照...方式”时的用法

②in the way in which 照.........方式例句1：They did as I had asked.            他们是按照我的要求去做的。例句2： Leave the papers as they are.            别去动那些文件...

问题 one warm day前可以加介词 on 吗

One warm day a stranger came to see me.有人说下面句子的 one warm day 前面不能加介词 on，但语法书上不是说表示在某一天要加介词 on 吗？

用户 endless_one

问题 关于whne/while/as使用的困惑

...hile/as使用，以下句子困惑： 1) 书上原句 It was snowing when they went to school.我改成It snowed when they went to school. 是否正确？ 2) 书上原句 My mum was cooking while my dad was reading a newspaper.我改成My mum was cooking when/as my dad was reading a newspaper. 是...

问题 hundred 与 a / one hundred

hundred 本身有一百的意思，为什么使用的时候总是要在前面加a或one？

问题 have to和must用法的疑问

...stn't是不是只能用于表“禁止”，不能用于表推测？ 2.No one else could have done it – it had to be Neville.If Bley was aboard, he had to have heard me.They have to have seen her rocket burning as she makes her landing approach, coming in ass-backward. have to表示对过去的...

问题 为什么现在的事情要用一般过去时？

...ted，bringing many of the existing protected areas for giant pandas under one authority to increase effectiveness and reduce inconsistencies in management.请教各位老师，为何第二处黑体字中要用were？在我的理解中，①计划中扩大保护地的事情还没有发生，所以...

问题 三道冠词题目

...und that learning ___a___ second language can lead to ___an___ increase in one’s brain power.第二空为什么不是前照应特指填the呢？

问题 现在时态表示过去的用法

...的生动而使用现在时态吗？They are flying over the desert when one of the engines fails. 他们飞越沙漠时，一个引擎出了故障。请专家老师总结一下，到底在哪些情况下可以用现在时态表示过去，谢谢！

问题 一道完形填空题

...our modern world, when something wears out, we throw it away and buy a new one. The  36  is that countries around the world have growing mountains of  37  because people are throwing out more rubbish than ever before.36．A．key    B．reason  C．project D．prob...

问题 could have done表客观的推测（理论上的可能性）吗

...reserved. But the Archimedes' text was erased and written over, and no one knew it existed. It wasn't until 1906 that a scholar came across the prayer book in a library and realized it was a palimpsest, and that the underlying layer of texts could only have come from Archimedes. That was whe...

问题 为什么这句话中 view 的宾语补足语之前没有 as

...ce cheating through technology is not listed specifically as being against the rules in many school policies, students do not view the actions unethical.——《大学英语四级》 书上说这里的形容词 unethical 作 the actions 补足语。但根据牛津词典, view 后接宾语补足语...

问题 专八改错: and的问题

专八改错: and的问题The percentage of residents born in a state is positively correlated with smoking and obesity, as well as deaths from cardiovascular disease....这里deaths前面需要加with，请问and后面什么结构可以省略什么不可以呢？像with不可省，那to。do的to...