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问题 at one's house与in one's house

One day in February 1824, at his little house in Vienna, Austra, Ludwig van Beethoven sat back in his chair and smiled.这是2020版高中英语北师大版必修第三册第7单元(p14)的句子。请问这里为什么用介词at，可以换成in吗？

问题 一个关于想在完成时问句的错误解答

“Have you ever been to Shanghai?”“Yes，I _______ there last year.”A.have been              B.had beenC.went                        D.have gone答案是C，我选的是A。请问我错在哪里？

问题 如何判断这里的and后面的部分是否跟随从句

...这个句子，背景是孩子们去海滩冲浪。"We'd be out there for hours, swimming, bodysurfing, and just having a blast."我的理解是“我们在那游泳，冲浪，一玩就是好几个小时，玩得很尽兴。”请教我的理解对吗，这里的having a blast是和sw...

问题 请教 状语从句 时态一致 时态呼应问题

...上看到一个句子，         When Reader’s Digest asked Pien if there was anything she wanted to share as this crisis spread out, here’s what she had to say...句中的this crisis指的是新冠肺炎。        1. 定语从句可根据需要选择时态，状语从句呢？新冠...

问题 关于sometime前加介词in

We should get together sometime.A burglar broke in sometime during the night.sometime表示在某个时候或时刻，为什么一个前面不加介词？一个前面加介词in呢？

问题 that与what做主语时的区别

If a book is in English, _________ means slow progress for you. A. as                       B. which              &...

问题 不定式作状语的成分分析（原因状语、条件状语等）

...r to feed her children so well with so little money. 2. He must be out of his mind to say something like that.3. Tom is a very clever boy to work out the difficult problem in a short time. 以上三句话：1第一句因为有so，不能理解为条件状语。应该理解为不定式作原因状语...

问题 differing 和 different 究竟有何不同？ 如何从语法上，含义上理解二者的差别？

Among the reasons, judging the fairness of elections is a monumental task in a nation like the United States,where all 50 states have differing laws and rules for voting and counting ballots.请教老师： 上句中出现的differing 和 different 究竟有何不同？ 如何从语法上，含义...

问题 [VN (that)]句式与it is believed that...例句

...第 7 版的 believe 词条有如下句式搭配和例句：[VN (that)]It is believed that the couple have left the country. 据信那对夫妇已经离开了这个国家。我没看出这个例句是如何体现“[VN (that)]”这一句式搭配的，我的理解是：[VN (that)] 表示“动词+...

问题 it is modest of sb to do sth的用法对吗

modest 的意思是：谦虚的，谦逊的，谦恭的。它是表示人的品质的吧！按理说应该可以用于 it is modest of sb to do sth 啊！怎么在词典上没有查到这样的用法呢？求教专家指点！

问题 pile in with是什么意思

Local governments have been piling in with their own “Silk Road scholarship” schemes.这里的pile in with该如何理解？谢谢老师！

问题 in+时间段表示在时间段之后还是之内

He will come in an hour. 上文的in an hour翻译成在一个小时以后，还是在一个小时以内？in+时间段，什么时候翻译成在时间段以后，什么时候翻译成在时间段以内？谢谢老师的回答。

问题 in surprise等于surprisedly还是surprisingly

请问各位老师，有 surprisedly 这个词吗?in surprise = surprisedly? 还是 surprisingly? 如下面的句子：She looked up in surprise. 她惊讶地抬头看。(牛津高阶上的例句)这里 in surprise 可以替换成什么同义的副词呢？我在字典里查不到 surprisedly 这个...

问题 believe 和 believe in 用法辨析

 (informal ) to believe sth, especially an idea that many other people believe in 信从（尤指随大溜）She had never bought into the idea that to be attractive you have to be thin. 她从不随大溜认为要想有魅力，就得瘦身。以上来自牛津词典。很是奇怪不解：看这...

问题 drop in在这里是做目的状语吗

Tap the + (plus) button in the top left corner then Add a control to drop in the relevant shortcut icon: It's under the Vision Accessibility heading, and looks like a car with a row of dots next to it.这句话的to drop in是做目的状语吗？还是drop sth into的用法？drop in是放入的意...