问题 morning的可数性问题（可数与不可数的用法规律）

... moring，一个用复数，一个不可数：I like mornings.Morning is the best time of a day. 类似于该句还有个：Sunday is the first day of a week.请专家老师详细讲解一下这里的 morning 的可数性，如果既是可数又是不可数，有什么含义区别？用法？...

问题 in the period before的before用法

这里的before是介词，还是能引导时间状语从句？

话题 the first Indian born woman in space

问题 介词可以修饰数词吗

Republican Rep. John Rutherford of Florida purchased between $1,001 and $15,000 worth of Raytheon stock on February 24 this year — the day Russia started its operation in Ukraine.佛罗里达州共和党议员约翰·卢瑟福在今年2月24日购买了价值1001美元至15000美元范围的雷神...

问题 The area of the farm is 50 square kilometers. 这句be动词后是否省略了of

The area of the farm is 50 square kilometers. 这句的be动词后是否省略了 of 吗？如果没省略 of 那 area 不就成为了 50 square kilometers 吗? 还是说像 50 square kilometers 这种短语本身就有形容词词性？

问题 practical level是"实际水平"的意思么

...redict that unemployment will drop to around its lowest practical level in the United States by the end of 2016. But others say employers remain cautious about taking on new workers, and wages are growing at a frustratingly slow pace.practical level是实际水平的意思么？

问题 2021高考英语长难句理解与翻译-1(新高考全国卷2阅读C)

The project results from the difficulties many schools have in getting artists of any sort—whether an up-and-coming local musician or a major movie star—into schools to work with and inspire children. （完整全文见：https://www.cpsenglish.com/article/812）这是2021年新高考全国卷2...

问题 what 与 whatever 的区别

I took _______ was left in the bag.A. what     B. whatever请问如何选？what 与 whatever 的区别如何理解？谢谢！

问题 人称代词的指代问题

—-Could you please wash the clothes? —OK, I'll do _______ in a minute. 选项答案有 it/its / they / them。我选了it（理解为指代这件事），答案给的them。请教大家为什么!

问题 分词成分分析 keeping up to date with the latest technolo

So for a company in this situation, keeping up to date with the latest technology, even if it's only for the benefit of key staff, this can be hugely expensive. 请问老师，keeping up to date with the latest technology是什么成分

问题 定语从句whose n(人)可以用the n of whom或of whom the n替换吗？

我看语法书里只提到whose n(物)可以用the n of which或of which the n 替换。

问题 it is the fifth least free country out of the group's list of 180 nations.

... special English 的新闻里看到这么几句话：【Vietnam has one of the worst records on media freedom. Reporters Without Borders says it is the fifth least free country out of the group's list of 180 nations.越南是媒体自由记录最差的国家之一。无国界记者组织称，在...

问题 句子省略补充

Bejing's climate is more or less unfit for the growing of flowers. Freezing in winter, windy in spring, and either too dry or too often plagued by a sudden frost.老师好，后面几个形容词是省略了什么？

问题 如何理解下面句子的that

The length of time people spent in industrialized countries was more 6 years than that in developing countries.

问题 as引导的从句

As luck would have it , no one was in the building when the explosion occurred.(真幸运，发生爆炸时大楼里刚巧没有人。)As luck would have it ，there was rain on the day of the picnic.(真不凑巧， 野餐那天下雨了。)问：在以上两句话中，As luck would have it ，应...