有这样一组正误句子：
误：He stayed with his family during three days.
正：He stayed with his family during the three days.
正句与误句的区别就是一个冠词，为什么 during the three days 是对的，而 during three days 就是错的呢？
句子分析：The selection is unrivalled and the prices high, although the sales offer some great bargains, and the store's own clothing line is reasonable.此句中，the prices high 为什么没有动词？
This was later confirmed by a naval official at the Ministry of Defence after the Elkor had returned home.我在陈述这句的时候将 at 说成了 from，请问此处能将 at 换成 from 吗，如果能，有什么区别？
If the moderate end of the legal community has its way, theinformation on products might actually be provided for the benefit of customers and not as protection against legal liability.请问: If the moderate end of the legal community has its way 这个如何理解，我主要是不懂这个! 谢...
He stood on the stage and was gazed by the boy.能不能变成分词作状语的结构?这两者没有直接的因果关系，只是时间上连续，几乎同时发生能改成分词状语吗?He stood on the stage, being gazed by the boy. 因为是先站在舞台上然后才被盯着看，而过去...
Nevertheless, we still have a wide gap between the
well-paid (whatever the type of job they may have) and the low-paid.老师我想请教下，这里的“whatever the type of job they may have”这里whatever后面直接加“the”是不是不太正确？我看之前有老师的回答是“whatev...
The findings come amid growing concern about the extent of the plastic pollution crisis which scientists have warned risks "permanent contamination" of the planet.我的问题是：此处 the plastic pollution crisis 是 risks 的主语，但是warn的引导词 that 不能省略，为什么这里省...
要表示“使某人做某事”，我知道 make sb to do sth 是错的，应改成 make sb do sth。但如果动词是 be 呢？比如：(1) make sb happy(2) make sb be happy(3) make sb to be happy第(3)句肯定是错的，第(1)肯定是对的，但第(2)呢？对还是错？我之所提出这...