...时，则介词 for 不能省略。(夸克也有类似的论述"However, the preposition is obligatory with dynamic verbs where the action of the verb is clearly not continuously coextensive with the period specified."并且I haven’t spoken to her for 3 months，没有for错误)，所以这两个...
...ans are needed in all big cities to prevent ______ spreadof AIDS. 空内填the。
第二句：In ______ review of 44 studies, American researchers found that menand women who ate six key foods daily cut the risk of _______ heart disease by79%. 空内分别填“a"和the"" 请...
...来判断”，可以有多种方法（用作状语），如：Judging by the smell, the food must be good. 从气味上看，这菜一定很好。Judging from his accent, he must be from Hunan. 从口音上看，他一定是湖南人。Judged by the ordinary standards, he was reliable. 接普通标...
“If that’s all the profit shown, there must
have been a bit of monkey business going on with the account book. 如果那就是全部的利润的话，那肯定是有人在账本上做了手脚。”我的问题是：句中<定语>之<分词短语> going on with the account book的...
请教一下there be 句式的否定式如何构成。比如：(1) There aren't books on the desk.(2) There aren't any books on the desk.(3) There are no books on the desk.后面两句肯定是对的，但第(1)就算错吗？有这样的依据吗？谢谢！
表语前置中的系动词只能是be吗？Very important in the peasants' life is the TV weather report.如果系动词是look, seem，appear, become等是否可以表语前置？比如下面的句子是否正确：Beautiful looks/seems the girl in red.
The visit, which marked the first in 10 years by a Chinese head of state, was expected to cement (巩固) economic ties between the two countries, with billions of pounds of investment deals made.个人认为billions of pounds of investment deals 是将要被made，根据with复合结构的逻...
...，自己分析很久未果，感到吃力。谢谢！I toss and turn on the bed, how diligently can't let myself rest, simply tells the heart in speech you, in the heart really is worried and worries all has! 我在床上辗转反侧，怎样努力也不能让自己睡着，索性把心里...
Although the process of professionalisation and specialization was already well under way in British geology during the nineteenth century, its full consequences were thus delayed until the twentieth century.虽然职业化和专业化的过程在19世纪的英国地质学界中已经形成，但是...
...39;s no more fit to be a minister than a school boy would be.(2) [In 1972, the sea water off the west coast of South America was warmer than usual. In 1973，food prices in the United States were very much higher than usual.] Is there any connection between thesetwo facts ? Yes, more than most peopl...
一，I remember having washing the car.请问这里的动名词完成式表示的意思是that I have washed the car还是that I washed the car. 二，We remember having knowing each other for ten years.请问这里的动名词完成式表示的意思是that we have known ...
...的，不知什么原因和差异。请教老师赐教，十分感谢！1. The turkey, having been burnt to a crisp, was thrown in the garbage.2. My sister, having been exhausted after a long day’s work, fell
asleep on the sofa.
As a physician, I know the most costly and dramatic measure may be
painful.请问老师，这句话为什么是宾从省略that，即 I know （that）the most costly
and dramatic measure may be painful. 而不能是定从省略that，即 I know the most
costly and dramatic measure （that）may be ...
During courtship and aggressive displays, the turkey enlarges its
colored neck collar by inflating sacs in the neck region and then flings about
a pendulous part of the colored signaling apparatus as it utters calls designed to attract or repel.这句话结尾的as，不应该被理解为连词“...