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问题 midnight与on midnight之辨

有这样一个句子：It was just on midnight.  刚好是午夜。句中的介词 on 好像是多余的吧！

问题 过去完成时态的问题

In England, tea didn't appear until around 1660, but in less than 100 years, it had become the national drink.专家老师，该句为什么用过去完成时？不能用一般过去时替代吗？

问题 Of的用法

Of parents who have turned off a smart speaker's microphone, about one-third of them did it because they didn't trust the speaker.介词短语of parents在这里是否相当于among parents的用法？

问题 开源：sb open souce sth

DeepSeek has open sourced its latest A.I. system中open成分？

问题 not...until能否与延续性动词一起使用

...night. They should rest early.You shouldn't wait until the last minute to study for a test.not...until 中使用了wait 和 play，这两句话该怎么翻译？not...until 与延续性动词能否一起使用？

问题 一般现在时表习惯时与不定式的关系

一般现在时态是助动词do加上不带to的不定式，而又因为一般现在时态是表示一个习惯性的动作，那么我想问，不定式和表示习惯有什么关系呢？现在进行时态表进行，是通过ing形式体现的；现在完成时态表完成，是通过done体现...

问题 句中ing的形式是什么成份

New Yorkers waited at newsstands for the morning papers to arrive while anxious relatives gathered at streetside morgues holding pictures of the disappeared.译文: 纽约市民在报摊边等着早报到来，焦急的亲属们聚集在路边停放尸体地方的周围，手里举着失踪者的照...

问题 定语为过去分词时名词的泛指和特指问题

...老师的指点。以下为答疑网原文：“The manager was satisfied to see many new products _____(develop) after great effort.如果过去分词短语作定语，则为限制性定语，products则需要定冠词表示特指。本句products为泛指，因此排除定语”我的疑问：“...

问题 we know是嵌入式定语从句吗

We need to keep in place those measures that we know were stopping the eviction avalanche before.1）keep in place those measures 其实是 keep those measures in place ?2)  those measures that we know were stopping the eviction avalanche before.   其中"we know"是嵌入...

问题 dating back是动名词还是现在分词

CNN:《The history and future of ice cream》A form of sorbet had become a popular dessert in Europe by the later 1600s.and Americans dating back to George Washington enjoyed the cool confection.1)上句应该用late，即by the late 1600s 吗？2) Americans 是 dating back 的逻辑主语吗？ 这...

问题 名词修饰名词一般用of-短语放在所修饰名词后面吗

Scientists are doing research to find the biological effects of radiation.老师，这句话中，the biological effects of radiation.这个短语中心词是the effects, 两个修饰语分别为biological是形容词放在the effects前面，radiation是名词放在the effects后面。老师，形...

问题 journey times（旅行时间）为什么要用复数

Journey times will be very much reduced by the new road.  走这条新路，旅行的时间会缩短很多。这里的 time 是表示时间吧，为什么要用复数呢？

问题 there's been impressive为什么用been

The aid agency points out that there's been impressive economic growth over twodecades.老师,there be句型里用been是什么句型?

问题 请问inflict该怎么理解

...受的意思,那么如果要表达某人遭受了什么应该用could be inflicted啊

问题 现在分词被动式

...了出来。那么如果这个句子改为The tiger escaped from the zoo, being frightened by the humans.这句话可不可以理解为结果状语——老虎从动物园跑了出来，结果受到人类的惊吓。或者这个句子既可以理解为原因状语又可以理解为结果状语?需...