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问题 介词+引导词用法

Recurring revenue is the portion of the revenue that is going to continue in the future. It provides a growing base of revenue on which management can rely while focusing on ways to grow the business.on which, 为什这里要加介词on？

问题 ever 和 once 的用法

我晓得我曾经遇见过他，我想那是两个月以前的事儿。译为英文：I know I ever met him. I think it was two months ago.有人说ever用的不对。 一定要用once吗?

问题 不定式句型转换的疑惑？

The coffee is bitter to taste.该句为什么不能改成：To taste the coffee is bitter.或It is bitter to taste the coffee.改了之后意思有区别吗？麻烦老师分析，谢谢！

问题 语法分析

Later , He didn't know from where another lizard appeared , with food in its mouth.问：问此处where的词性？ 按理说where此处引导know后的宾语从句应该是疑问副词，可是我们说表地点的副词前不是不加介词的吗？比如：go home.此处前加了from，则词...

问题 would在这是什么意思呢

You can do it as easily as you would book a hotel or rent a car.BEC高级改错的一句话，这句没错，我去掉了would，那么would留在这里是什么意思呢？

问题 为什么要用介词短语做表语

Make sure that it is of practical use. 为什么要用介词短语做表语呢？

问题 一位朋友的问题

...gone out. Tom_______.A. was out       B. has been out       C. is out         D. will be out我觉得应选 A 或 C，但填空题一般只选一个，肯定有一个是错的，不知如何选，请...

问题 three times as…as…每个词之间是什么语法关系

(He says that) three times as many young trees are planted as those that can be cut.请问：three times as…as…每个词之间是什么语法关系?

问题 英语句子理解（涉及a fact of以及implicit)

Death should be accepted as a fact of life.There is no career counseling implicit in all of this.这两句话如何理解？第一个句子中a fact of 是什么意思？第2个句子，implicit在这里做什么成分，如何理解?

问题 when引导时间状语从句时主句能否用将来完成时

When he comes to my house tomorrow, I will be typing the letter.当他明天来我家时，我将正在打信件如果改成 When he comes to my house tomorrow, I will have typed the letter.是否可以？为什么？

问题 现在分词放在名词前与名词后的区别与用法

Episodic memory can be throught of as a process with several different steps of memory processing.请问 processing， 之前一般的句子都是动词ing的形式放在介词后面，但是这里放在了memory后面，这是什么用法？

问题 同位语从句还是定语从句

The notice came around two in the afternoon_______ the meeting would be postponed.A. when      B. that       C. whether      D. how这个题目其实考察的就是同位语从句。但是如果非要较真一下，把in the afternoon中的afternoon作为...

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 missing 的构词分析与词义理解

...ace? 你最早发觉项链不见了是什么时候？ We seem to be missing some students this morning. 今天早上我们好像有几位同学没到。 由例句可知，miss 的宾语是丢失的东西。所以，由此来推断，要表示“丢失的”这样的意思，应...

问题 ship做不及物动词的理解

...表示运送货物大多是及物动词，不及物动词的释义是“to be sent for delivery”，那这里感觉有些逻辑不通。Until now, many sellers that have a physical presence in only a single state or a few states have been able to avoid charging sales taxes when they ship to address...