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问题 a flock of 500与flocks of 500的理解问题

Throughout the period November to February flocks of 500 or more are regularly present. 请问这里为什么用 flocks of 500 or more 而不用 a flock of 500 or more 呢？

问题 an act of letting go的理解与翻译

I suppose the whole of life becomes an act of letting go, but what always hurts the most is not taking a moment to say goodbye.问题：介词后面可以加什么？let go 是可以加这种动词词组么？let go 怎么翻译？谢谢各位老师！

问题 migrated from/move from是指移入还是移出

1. In that decade, however, large numbers also migrated from California, mostly to other parts of the West.2. People move from California because.....这两个句子中migrated from是指移入还是移出呢？move from 是指进入还是移出呢？求解释! 非常感谢！

问题 请问这句话中为什么用possible而不用possibly

Donald Trump had the most fitting entrance possible to the Republican National Convention。 这句话中的的entrance前面已经有fitting这个形容词了，修饰形容词不是应该用副词possibly吗?  还是说fitting和possible是并列的关系？

问题 I don't fear so的用法对吗

见过 I fear so, I fear not 的用法，但可以说 I don't fear so 吗？比如下面这句对话合习惯吗？A：Will he come to our party?B：I don't fear so. 正确与否，最好有比较权威的依据，万分感谢！

问题 动名词作定语改用不定式作目的状语可行吗

...话改成不定式？People exploited all the possibilities （in order）to improve their life standards如果改的话，句子意思有差别吗？

问题 the last one 后面为什么必须接不定式

Who was the last one_______the classroom?A.to leave     B.left     C.leave     D.leaving答案为a 为什么必须用不定式呢？其他结构呢？谢谢！

问题 转态动词完成体加持续性时间状语理解

They've gone to Spain for two weeks .按我以往的认知，这句话后面的介词短语只能理解为目的状语。但是夸克在《大全》4.39提到，这个应该理解为转态动词结束之后状态的持续时间。所以正确的翻译是，他...

问题 关于状语从句的省略

...以省略。另一个例句:Though having been warned many times, she got to school late again.用状语从句的省略也解释不通呀。求助老师，谢谢！

问题 麻烦分析含有3个as的比较分句

I am going to give each class three times a week, so I can hit as many people in as many time zones as possible.这是美国教语音的老师说的，没看懂I can hit as many people in as many time zones as possible. 怎么会有as...as...as possible - 3个as ?这个as比较句没看懂，麻烦...

问题 Each time到底算是引导词还是先行词

Each time he came, he did his best to help us.1.有人说是省略了when的定语从句以time, day, week, month,year等为先行词的限制性定语从句，如果先行词在定语从句中做状语，通常以when引导，但在在某些句型和某些时间状语中，人们通常省略when...

问题 关于什么时候用完成时什么时候用过去式的辨析

It's reported that the 2020 Tokyo Summer Olympic Games ______ to 2021 because of the coronavirus outbreak. 选项有Will put off.  Were put off.  Have been put off. 正确答案是第三个，请问第二个和三个的区别，如何辨析，谢谢

问题 关于过去式和完成时的问题（详见问题描述）

A: I hear you _____(get) lost on your way to the hotel.B: I don’t know how I did it. I have been here a million times.为什么这里要填 got 而不填写 have got？题目来自于《英语语法新思维（中）》P162

问题 关于be a generous lot的短语句式分析

During two years of the pandemic, Americans continued to be a generous lot.在疫情的两年里，美国人依然慷慨大方。这里的 be a generous lot怎么理解的？这里的lot是作后置定语修饰generous？那么 be a generous lot中的 "a" 可不可以去掉，变成be generous lot...

问题 房子的窗户是用介词in还是of

...e in the wall. 那囚犯从墙上的缺口处逃走了。We used a picture to cover up a hole in the wall. 我们用一幅画盖住了墙上的洞。但如果要表示房子的窗户呢？用什么介词？是介词 in 还是 of？谢谢解答！