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问题 两个时态单选题的疑问

①While this _____, the cavalry had come up.A.had happened     B.was happening     C.happened     D.had been happening这一题为什么选B？②Joe _____ the piano in a few minutes.A.shall be played     B.will have been playing     C.will be playing     D.will have playedi...

问题 at 54 years of age的搭配问题

At 54 years of age, he didn't know that this would be his last symphony.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。请问这里的 at 54 years of age 是什么搭配？

问题 have been in是“一直在”还是“曾经在”

I won’t go to Chengdu this month as I ____ that city for a long time. 中为什么横线处要填have been in 呢？此时我已不再成都了呀！求 have been in 用法！

问题 There will be...与There shall be....的区别

There ______ a birthday party this sunday. A. shall be   B. will be 答案为 B，为啥呢？谢谢!!

问题 While seemingly innocent是省略句吗

While seemingly innocent, this loss of mental focus can potentially have a damaging impact on our professional, social, and personal wellbeing.请问：While seemingly innocent 是不是省略了 the loss of mental focus is？如果是，为什么可以这样省略（即把主谓都省略）？

问题 一个句子有两个比较级时的问题

This watch is as good as, if not better than, the watch I lost .语法规则：一个句子有两个比较级时，不能在一个比较级没完时加入另一个比较级。我没看出来上句中的这条规则。请老师分析一下这条语法规则，利用上面的句子。谢谢回答。

问题 非谓语和谓语区别

Shortly after his story was published,concerns were raised over this method of communication:videos of messages being typed showed Wouters quickly moving Houben's hand around his keypad,apparently__following_____(follow) the indications of the locked-in patient.(Houben是locked-in patient，闭...

问题 句中Given的理解以及句子结构分析

... impact on everyday life in the early twentieth century was the telephone. This is not surprising given the effect devices, such as the telephone , have had on social relationships.请教老师，第二句的given如何理解, 该句结构如何分析？谢谢专家老师。

问题 关于复合介词up to的用法

...，是不是与rolled没有关系？ 2. 还有比如：he come up to this idea.这里可以不可以理解为come为不及物动词，up to看成介词？ 3. 像这种动词+复合介词应该怎么理解这个动词是及物还是不及物？ 新年快乐！谢谢老师了！

问题 并列成分的理解与判断

The justification for this is the Silicon Valley doctrine of "blitzscaling" in order to conquer "winner-takes-all" markets—or in plain English, conducting a high speed land grab in the hope of finding gold.老师好，请问or conducting a high speed land grab in the hope of fi...

问题 without+名词+having doing结构分析

...a collector with a bill for paints, paper and canvas should, in traversing this route, suddenly meet himself coming back, without a cent having been paid on account.请老师分析一下without a cent having been paid on account语法结构，其中，having been paid on account是现在分词还是...

问题 非谓语动词用法疑问

...k by an Englishman that I read recently___what he thought was a reason for this American characterristic.答案是giving,这句话是什么意思，句子成分也没看懂。

问题 一般现在时可否表示祈使含义

... reader is direct to the equivalent chapters in both the earlier titles in this trilogy for much general material.以上句子出自一本书籍，是作者对读者的建议，这个句子使用一般现在时，但是表示了祈使含义，这属于一般现在时的用法之一吗？还有类似...

问题 a bit of me 是啥意思

There was a bit of me that didn't want to love this story when everyone else on the planet did.当这个星球上的其他人都喜欢这个故事时，我却有点不喜欢它。各位亲爱的老师们，这里的a bit of me 怎么理解？

文章 关于can 表示可能性在肯定句中的用法初探

...r is not possible可能，也许，有可能，会（表可能性）... At this time of year many birds can be found on the island. [ = there are many birds on the island at this time of year] 每年的这个时候，岛上都会有很多鸟。（摘自2017年1月第1版《韦氏高阶英汉双解...