在The gas fire was turned low for reasons of economy.中，短语 for reasons of 中的 reasons 为什么要用复数呢？不是只有economy 这一个“原因”吗？这是不是习惯用法？或者是for reasons of 是固定搭配，reason 必...
副词 never 通常是应该放在系动词be之后。比如下面的句子都是出自一本语法书：He is never behind with his work. 他工作从不拖拉。The house was never clean nor tidy. 房子从不干净，也不整齐。She was never too...
下面两道题： 1. —Whom would you like to be your assistant, Jack or David? —If I had to choose, David would be _______ choice. A. good B. better C. the better D. the best 2. —Have you decided whic...
1. 表示过去的习惯，我们可以用would，如：On winter evenings we’d all sit around the fire. 我们过去在冬天的晚上常常围坐在火炉旁。She would spend the day hanging round street corners. 她常在街角游荡，无...
home用作副词时，最通常连用的介词是at。如：Jane works at home. 简在家工作。 He found it impossible to study at home. 他觉得不可能在家学习。If it rained tomorrow, we’d stay at home. 如果明天下雨，我们将...
在网上看到这样一个句子：If they don’t understand it the first time, go over it again until they do. 如果他们第一次未弄懂，就给他们再讲，直到他们弄懂为止。句中怎么是用go over it而不是用go it over呢？我...
Stay Home to Study AbroadRecent years, many students choose to go abroad for their further study. Normally, there are two ways for them to afford their life over the seas: scholarships or family contr...
下面这个句子中，recommend后的宾语从句怎么用了陈述语气呢？If a tooth feels very loose, your dentist may recommend that it’s taken out. 根据语法，recommend表示“建议”时，后面接的宾语从句不是应该用虚拟语...