...副词、形容词的词性；其中只有形容词前面才有a这样的冠词存在，a five percent
[=5%] increase in my salary和a 15 per cent rise in price. 语法中有结构特指这一概念，但是诸如例句Thirty percent [=³/₁₀]
of the class failed the test. 和 Water covers more t...
Recently, _______ South China was hit by _____ unexpected heavy rain, which caused severe flooding.A. x; an B, x; x C. the, an D. the the答案为A ， 第一个空为什么要用 the 呢？谢谢!
...如下面的句子，让步状语从句倒装后位于句首的名词没用冠词（这个我明白）：Expert as he was, he failed. 他虽是专家，但还是失败了。King as he was, he was unhappy. 他虽是国王，但他并不幸福。Child as he is, he knows to help other. 他虽然是个...
...的to是否多余？3）如何理解不可数名词jealousy 前加了不定冠词a, 即 a very natural jealousy ？同1)问。4）jealousy 和 solicitude 同样是不可数名词，而且这里结构类型相似，为什么一个有不定冠词a, 即 a very natural
jealousy，而另外一个却是 m...
...的两个名词所指的是同一人或物，通常只在第一名词前加冠词。如所指的是两个不同的人或事，通常这两个名词前都需加冠词。 如：He became the teacher and friend of the student. 他变成了学生的老师和朋友。She is a dancer and singer.她是一...
1.令人惊奇的事是他有野心有朝一日成为一名大使。译文：The amazing thing was that he had ambition to be an
ambassador someday.2.一天，人类学家参加了一家名叫“古玩”的年刊的周年纪念晚会。译文：One day the anthropologist attended anniversary
party ...
Prices vary widely from shop to shop. 商店之间的价格相差很大。
这个句子中的vary from shop to shop为什么没有冠词? 可以这样改一下吗？
vary from a shop to a shop
vary from shops to shops
vary from the shop to the shop
--Jane Zhang is going to hold a concert here in July.--Really? ______ exciting news!A. How B. What an C. What D. How an此题答案为C, 请问一下news 为不可数名词，前面加了形容词也不能加冠词吗？
英语魔法师上有个语法题：Mary Kurt, _____
of the troupe, was strongly against smoking. A. alto B. an alto答案是A，作者给出的解释是同位语这个位置倾向当专有名词看待，且这个乐团中女低音只有一个人。我很有两点疑惑：1. 我们怎么...
问题句：We sit around a fire or lie in bed.请问该句后半部分的 lie in bed 的 bed 前不应有 a 吗——lie in a bed？另，You never feel the transition from night to day 中，night 与 day 皆为单数，为何前处皆无 a 呢？