问题 Checking up on与Checking in on

1）这里的check up on 是否合适？ 为什么不用check in on？2) 下面的对话，可以看出up和in是不一样的？Mike：Checking up on me? Harvey: Checking in on you.

问题 with在此什么用法

...nd of a porous membrane and, as it seeps along to the other, encounters a line of antibodies designed to recognise it. When the sample is urine and the antigen is a hormone found in expectant women, you have a pregnancy test. When the sample is mucus from a swab and the antigen is the spike protein,...

问题 as引导定语从句指代问题

His unfailing politeness, seen in such gestures as when he would say goodbye to every volunteer on his way out of a tournament or, just this Monday, when he arrived at Spain's team news conference and made a beeline for the stenographer to shake the hand of the person who would be typing up the tran...

问题 when 和while的区别

...p;       D.  while这道题选的C， 我想知道when 和while的区别.

问题 carved 和 carving 的区分问题

...arving      D. to carve老师，这题选择C，但是刀具和雕刻不是动宾关系吗？为什么不是选B呢？

问题 现在分词短语还是动名词短语的区分和不同用法

It was there, sitting in the lunchroom, trying to make conversation with seven curious strangers, that I first saw them.sitting和trying这两个是现在分词短语还是动名词短语，承担名词类还是动词类的句子成分？

问题 especially和between and为什么一起搭配

That “old” would vary between nations makes sense, especially between more and less developed countries, with differences in education, death rates, access to health care and life expectancy.大概的成分分析，不太理解后边especially和between and为什么一起搭配?

话题 不定式to look at， to talk to用法疑问

文章 2023年北京市高考英语试卷（精校word）

...(1)活动形式；(2)活动内容。注意：(1)词数100左右；(2)开头和结尾已给出，不计入总词数。Dear Jim，____________________________________________________________________________________________________________________________________________________________________________...

问题 There is nothing more exhilarating than to be shot at without result. —Sir Winston Churchill

There is nothing more exhilarating than to be shot at without result. —Sir Winston Churchill  这里at怎么理解，shot能不能用shotted呢？

问题 in satisfaction与with satisfaction的区别是什么

in satisfaction 和 with satisfaction 都表示“满意地”，它们有什么细微区别吗？

问题 介词用法(for和to)

...concerns.请问这句话里的would have been for the mother to offer，for和to这两个介词怎么理解啊？我猜测的是have been to（针对）offer for（为了）mother。

问题 left和empty的词性

请问可以帮忙分析一下下面句子中的left和empty分别是什么词性吗？又是如何分析出来的？另外请帮忙仔细分析一下下面复合句的成分吗？非常感谢！A possible answer in crowded California cities is to build housing on the growing number of shopping mall...

问题 be of the same age还是be at the same age

People often think the Tower of London and the Tower Bridge are _____ the same age.空格处是填 of 还是 at?

问题 关于半倒装

Unpopular as white has been in the past, at the moment it is a favourite choice for wedding gown.这里as是引导让步装从使用半倒装不应该将助动词或情态动词提前吗？还有解析里面beautiful as she is 为什么不是把is提前。