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问题 tell sb of sth用法

... told her of my experience the night before. We thought it strange that he had not asked for pay.  请问老师，1. 第一句中为何用tell sb of sth ？tell sb of sth 和tell sb (about) sth有何区别？2. 第二句中that引导的句子 “he had not asked for pay”是it的同位语从...

问题 定语从句中关系代词which的省略

... that the stream of life would flow on through time in whatever course God had given it - without interference by one of the drops in that stream -man. "  1、whatever course God （which）had given it这个which不在从句中作宾语，为什么省略？2、by使用什么工具的意...

文章 柯帕斯基础英语惯用法词典:ability

柯帕斯英语简明惯用法词典: ability■ability /ə'bɪlɪti/ n.1.表示抽象意义的“能力”，为不可数名词。如：He is a man of ability. 他是位有能力的人。He is behind the others in ability. 他在能力上比别人差。Taxation should be based on ability to pay. ...

问题 上海交大2010年考博英语第6篇阅读理解

原文：Before many people buy a car, a television or a washing machine, they shop around for the best deal. Yet, when some of these people find themselves in a position in which a second medical opinion is a good idea—when facing a difficult operation, for example, —they are unwilling to go fu...

问题 现在分词短语的成分？

We walk around the town center, seeing as many of our friends as we can. 请问，seeing 分词短语的成分？谢谢专家老师。 

问题 英语四级

There are too many kinds of cold viruses for them to identify 里的to identify是什么状语，怎么理解这句话啊？翻译软件上是：有太多种类的感冒病毒，他们无法识别。这个无法怎么翻译出来的啊？谢谢老师

问题 这是独立主格结构么

Looking about me, I beheld many marble slabs.1. Looking about me 是独立主格结构么？2. 如果是，那么它的逻辑主语是什么？可否还原一下？

问题 时态问题

Many of the reductions over the past 30 years have been achieved either by reducing the amount of sugar, salt or fat in a product, or by finding an alternative ingredient.这个句子have been achieved是什么时态

问题 remain的用法

The largest international database has helped police find out many crimes which at one time would have ______ unsolved.A．remainedB．maintainedC．keptD．left

问题 staff 还是 staffs

Many employers seek diversity in their staffs.The manager sent an email to all staffs. 这两个句子对吗？是该用 staff 还是 staffs?

问题 have fun doing sth中的doing是什么成分

请问专家，下面句子中的现在分词是什么成分？The children had so much fun throwing stones down into the river.They had fun trying to guess who your new girlfriend was. 

问题 虚拟语气的疑问句的问题

_______，if I had arrived yesterday without letting you know beforehand.A．Would you be surprisedB．Were you surprisedC．Had you been surprisedD．Would you have been surprised这个题目还是困扰着我，与过去事实相反的假设，那么主句的那个事情不是应该在已经发生...

问题 Not until+时间状语+主句，主句的时态问题

Not until Dec. 2003 was he caught by the police.= He was not caught by the police until Dec. 2003.Not until Dec. 2003 had he been caught by the police.= He had not been caught by the police until Dec. 2003.为何第二句话主句的时态错误?

问题 关系代词whom的用法

I have many friends to whom I'm going to send postcards.为什么这里用to whom？

问题 troops可以受数字修饰吗

troops 可受数字修饰吗？比如 2000 troops, 3000 troops 等？另外它可受 how many 修饰吗？谢谢！