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问题 it had ever made含义理解

In April 1939,the corporation placed the largest order it had ever made.上面这句话中的定语从句，因为使用了过去完成had ever mad，是否表示是“到1939年4月为止最大的订单”，而不是“公司所发出过的最大的订单”，这样的理解是否正确？希望...

问题 两个状语从句并列可以不用连词吗

As we age, even if we’re healthy, the heart just isn’t as efficient in processing oxygen as it used to be.这是2022年高考英语新全国卷2阅读理解D中的一个句子。这里的 as we age 和 even if we’re healthy 是两个并列的状语从句吧，中间为什么不用连词呢？

问题 see sb be doing sth对吗

可以在 see sb doing sth 的 doing 前面加上 be 吗？当然肯定不能加上 to be，因为这样用的不定式不能带 to。比如：We saw some students be playing in the park.这是算错误？还是不能算错误只是算罗嗦？ 

问题 its first atom bomb中的its修饰哪个词

China exploded its first atom bomb in October 1964.老师，这里的 its 是作形容词性物主代词修饰定语 first，我这么理解正确吗？谢谢。

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 请问这句话要怎么翻译啊？

His vision for personal computing has been central to the success of Microsoft Corporation，the company he founded with his childhood friend in 1975.请问这句话怎么翻译呢？主要不明白His vision for personal computing has been central to the success of Microsoft Corporation什么意思...

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 主语是是单数为什么谓语用复数

The social, cultural, environmental health and economic significance of leisure and events have  increased in New Zealand and around the world.这个句子的主语是 significance 是单数，为什么谓语是 have increased 而不是 has increased？

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 contain是名词吗（不是containment才是名词吗）

While planning the organization of your items, remember that clutter distracts the customer and actually displays less in contains less items.想请教你，这里contains是名词吗，不是containment才是名词吗？