问题 介词as 还是for

At that time， many farmers could only afford bread and butter as  their meal.这是某资料上的一句话，我觉得as应该改为for更为妥当，只是没找到相似例证。盼望专家老师指导，谢谢。

问题 句子分析

...aid, "to the letters your mother used to write about you. I was told every time you got a sum right. I always thought of you as nine feet high, better looking than Robert Taylor and more versatile than Churchill.I was told every time you got a sum right.这里的sum和right表示什么意思，如...

问题 insist on /upon 后接宾语从句

...：insist可为及物也可为不及物动词，那为什么它在跟宾语从句时总是不跟on / upon 而是直接跟了that从句 ，此句可以写成：He insisted on / upon that he drive  home after getting drunk last night , which made him caught and fined by the police .如果不可以那...

问题 疑问代词和疑问副词在名词性从句中可以做什么成分

请问老师: 疑问代词和疑问副词在名词性从句中可以做什么成分?

问题 keep和keep on哪个和until从句连用

They keep watering the filed until they havest.从句这里可不可以换成keep on？

话题 关于主从句间逗号连接是否省略问题

话题 i'm sure后接从句

问题 on用法质疑

朗文just词条有这句话，It's just on three o'clock.这么不应该用at three o'clock吗？

问题 什么时候用the什么时候用a

Recently I sent a postcard to my sister who was living in another town.My sister did not receive it and I was wondering  why.Then one morning the postman brought a letter for me.,想问一下，为什么postman前用the不用a，前文他没出来啊。谢谢帮忙！

问题 英语难句的理解与翻译

...chool, around 20% of youngsters work best with background music, 10% excel when allow to break up their work with short walks around the room while up to 80% can concentrate better if allowed to fiddle with a small object.老师， 红色部分我没有看懂，不知道怎么翻译。烦请指导...

问题 一般过去时还是过去完成时的区别

Many people who had seen the film were afraid to go to the forest when they remembered the scenes in which people were eaten by the tiger.老师：上面were eaten为什么不是过去完成时had been eaten呢？谢谢。

问题 putting on pace

When it comes to putting on pace, some electric vehicles rely not only on a battery to deliver the necessary wattage, but also on a second source of power called a supercapacitor. 这里的putting on pace，看翻译是“加速”的意思，但我翻了词典并没有查到。另外，请麻烦...

问题 是动名词还是现在分词做状语的判断

...mate as opposed to the oceans, which cover70% of the planet and have 1,000 times the heat capacity of air, or the output of our sun, is scientifically disturbing.这里的 arguing 是动名词还是现在分词做状语啊？

问题 考研英语中的一条难句解析

...ts their fledging adult我以为是状语（修饰exhibit），但解析是定语；in exploring options for the future我意味是定语（修饰partner），解析说是状语。请大大解惑一下！

问题 imagine that...从句何时使用陈述句，何时使用虚拟语气？

imagine that...从句何时使用陈述句，何时使用虚拟语气？麻烦老师详解，谢谢！