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问题 during the summer可以用作表语吗

His first professional tour was ______ the summer.A. in    B. on    C. for    D. during答案是 A。请问D可以吗？有人认为 during the summer 不可以用作表语，是这样吗？

问题 and是否可以在同一个句子里连用两次

请问：and 是否可以在同一个句子里连用两次？请问：Alice had an adventure in the wonderland,and met some strange people and animals.这个句子是否有误？谢谢！

问题 great advances,huge advances,big advances的用法

Science has made _______（大） advances in the last fifty years.答案是 great，请问填 huge, big 可以吗？

问题 have...done例句分析（涉及done是定语还是宾语补语）

She had her arm broken in an accident.例句中的broken是前面名词her arm的定语还是宾语补语呢？谢谢老师的回答。

问题 一般过去时与过去完成时的用法疑问

They had moved there soon after Sir Charles had begun to live in Baskerville Hall.老师，用 began 替代 had begun 一样吗？为什么用过去完成时，从句用过去式换成过去完成式一样吗？

问题 句子中的 is 可以省略吗

To go through all the formalities necessary in order to get a gun licence.我的疑惑点：1. 我感觉necessary不像是宾补，感觉前面少了is，To go through all the formalities is necessary，如果我的理解有误的话，那necessary是什么成分？To go through all the formalities&...

问题 prove现在进行时意思存疑

Six men have been trapped in a mine for seventeen hours. If they are not brought to the surface soon they may lose their lives. However, rescue operations are proving difficult.  以上摘自新概念2的一篇课文。请问老师这里prove为什么用现在进行时？证明就证明了...

问题 from...to...中的to可以用连字符代替吗

The man lived in the village from 1993-1997.请问这里的连字符用得对吗? 是不是应该改为 from 1993 to 1997?谢谢!

问题 accession to which是否视为同位语

Although related to the Convention in this way, the Protocol is an independent instrument, accession to which is not limited to States parties to the Convention. 这里的accession to which是否视为同位语？谢谢

问题 表示曾到过某地必须用 have been to 吗

表示曾到过某地必须用 have been to 吗？用 have been in (at) somewhere 可以吗？

问题 名词性从句引导词的选择疑问

When we arrived in ______ our apartment was supposed to be, all I could see was a school.A. where           B. what         C. whether     D. which这道题选B，但是为什么A不行呢？宾语从句中，缺表语，但是where也可以作表语呀，而且意思上也通...

问题 强调主语的强调句和定语从句的区别

It was my brother that read three books in the library.这句话是强调句强调主语，那可不可以按定语从句理解呢“这是我在图书馆读了三本书的表弟”?强调主语的强调句和定语从句又该如何区分呢?

问题 Born a German national这里born是什么用法

Born a German national, Frank lost her citizenship in 1941.born是及物动词，翻译成出生吗?那翻译是作为一个德国公民而出生吗？

问题 “why+名词 ”结构是省略吗

...名词的结构，如:Visitors to the UK that have just washed their hands in an old-fashioned sink might be wondering why one tap is solely for hot water, the other exclusively cold. Either can make washing very uncomfortable. So, why this oddity?还有口语表达why me。请问老师们这里是...

问题 Can Have Done是什么意思

https://www.forbes.com/sites/investor/2010/12/14/outsourcers-growth-may-slow-as-indias-wages-rise/?sh=37497e6547c0这是我在App电子词典中查到的例句，之前没有见过can可以这样搭配的，这里是表示推测吗？这里会不会是find sth done只是个巧合而已？