问题 this is the dormitory in which i lived.为什么不能直接用which?

this is the place that/which/省略 i visited.就可以。而this is the place that/which/省略 i lived不能用，只能用in which呢？

问题 the first time 后面为什么不用when?

That was the first time I laid eyes on Edward Cole.I laid eyes on Edward Cole.这个句子是定语从句吗？为什么它不用关系代词when连接呢？如果是用that连接作（省略了），那that应该是作宾语吧？那它的位置放那里？

问题 in which 在这个定语从句中指代什么？

But the researchers discovered that the wood tiger moth is the first species known in which the different fluids from the different parts of the moths' body each target a different type of predator.感觉这个地方如果 which指代的是species,那么 in which具...

问题 all in excited detail 怎么理解

But my diary is good on nature: the first time I saw a fox in the garden in 1986, the first time I saw a fox in the street, the first time I saw fox cubs in the garden, all in excited detail.all in excited detail 这里是不是省略了什么？怎么理解，翻译呢？

话题 名词性短语The first human moon landing

话题 the state capital in Lansing中的in

话题 for the right price表方式状语用法疑问？

问题 during three days与during the t

有这样一组正误句子： 误：He stayed with his family during three days. 正：He stayed with his family during the three days. 正句与误句的区别就是一个冠词，为什么 during the three days 是对的，而 during three days 就是错的呢？

问题 turn off  the electricity还是shut

有道单选题就考的 turn off 与 shut off。考的搭配是 shut off the electricity。但为什么选 turn off 是错的呢？请老师讲解一下 turn off 与 shut off 的区别！谢谢！

问题 句子分析...all the trouble this has caused you.

老师好!I am very sorry for all the trouble this has caused you.本句中 this has caused you怎么理解？做什么成分？盼解惑！

问题 非谓语动词分析

老师好!The men in the basket struggled hard with the balloon for some time. Soon afterwards, the balloon began to descend and it landed near an airport. The three men tried to explain who they were, but they were not believed. Being suspected to be spies, they were finally taken to the police sta...

问题 the first to do sth中不定式的时间意义

He was the first to arrive.请问句中的不定式是表示什么时间意义?现在？过去？将来？先于主句还是晚于主句？

问题 复数名词后面接单数谓语动词是否违背了主谓不一致

The calculations of characteristic values for the pavement design purposes, in the mechanistic method, concerns the estimation of the Young’s modulus E and Poisson ratio 这句话前面是The calculations复数名词，后面concerns是单数谓语动词，请各位老师帮忙解释

问题 直接引语与间接引语的问题

...子指的是said的时候吗？或者说是引述动词发生的时候？The reporter said,“The war in the Middle East is still on .”The reported said the war in the Middle East is still on.

问题 分析：a summer where the sun never sets

分析：a summer where the sun never sets这是高中英语新教材人教版选修一第 3 单元课文中的一个小标题。请问这里为什么在时间名词 summer 后面用 where 而不用 when 啊？