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问题 这道题为什么选择过去完成时

I felt extremely exicted as it was the first time taht I ______　abroad at all.A. have ever beenB. would have ever beenC. had ever beenD. was ever这道题为什么选择过去完成时？

问题 这句为什么不是定从？而是同位语从句？

it was a sign that the child was growing up.

问题 请分析下这个句子的各个成分，谢谢。

I personally looked upon the forging of firm Sino-American ties as a historically significant experiment.有Look upon as 这个词组在，我就有点晕。总觉得一个词组是不是整体应该作为一个成分。

问题 attach importance to sth 的倒装

This view of time affects the importance we attach to patience.attach importance to sth 重视 sth 的意思。这后半句话是倒装吗？但看着又像定语从句。

问题 过去分词作宾补还是后置定语

The manager was satisfied to see many new products _____(develop) after great effort.这里我知道填 developed过去分词。答案说developed是做宾补。但是我的理解是过去分词做后置定语修饰product，所以到底是宾补还是后置定语呢？还有after great effort 是...

问题 过去分词短语的句法功能分析

She kept asking Mayblum and Hong where her husband was, convinced that somehow, Harry一the only May Davis employee still missing一was alive.这个句子中的 convinced that somehow 是作后置定语成分吗？且那个 that 指代的是 her husband 吗？求解求解, 谢谢各位！

问题 doing是定语还是宾语补语

With more people moving to cities, it provides enough labor force to the city, which is beneficial for cities to imrpove economy.请教老师，moving 看作people的定语，还是把with结构看作with复合结构，此时moving作宾语补语？it provides 的it指代什么？谢谢老师。

问题 On top of的应用与分析

老师好，在这个介词短语中，我们是不是可以将她看作复合介词？如果再细分是不是可以看作of sth做top的定语？比如on top of the game，辛苦老师解答，谢谢！

问题 如何理解 and that

The researchers found that babies already showed a wide range of "speaking" ability through gestures, and that those differences were closely linked with how frequently their parents used gestures to communicate.请问老师，如何理解 and that ？是 作found that的并列？还是 ...

问题 not引出的并列成分为什么不用连词

He complains that the DPP should be exterminated，not studied.这里not studied是并列成分的话，为什么没有连词and？ 谢谢老师了！

问题 It takes...的用法疑问

It takes years to learn and master how to do each of the tasks it takes to build a house or renovate a kitchen.不懂第二个it takes什么意思，在句中作什么结构成分，只感觉it像是形式主语，但是takes为什么这样用？

问题 情态动词needn't的用法疑问

You ________ to the meeting this afternoon if you have something important to do.请问这里的 this afternoon 是过去还是将来? 为什么选 need't  come?

问题 不可数名词 precision 前怎么有不定冠词

The children's evening is regimented with an almost military precision. 请问 precision 这个不可数名词前怎么有不定冠词 an ?

问题 不定式做目的状语有时态变化吗

______  the convenience of digital payment, many senior citizens started to use smartphones. A. To enjoy  B. To have enjoyed

问题 定语从句关系词可以充当主语补足语吗

定语从句关系词可以充当主语补足语吗？麻烦刘老师一定要给我解答！谢谢您!例如: l admire the monitor （that）he was made.这句话对吗？关系代词可以省略吗？