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问题 when和after的选择

...下：原文：Isolate yourself until your symptoms have passed.问题：When don't you need to isolate yourself?答案：____ my symptoms have passed.横线处给的答案是When，我认为After也对，我查词典when有时和after的意思是一致的，而且我认为从逻辑上填After也没...

问题 谓语动词的使用问题

...动词后加什么介词，副词都可以.词典说明某个动词能加从句，不定式才能加，词典没有显有的就不能乱造了，是这样理解吗？creep:[单独使用的动词, usually + 副词或介词短语],说明动词能加什么副词或介词都可以，只要符合逻辑...

问题 as相关疑问

The brain is as active during REM (rapid eye movement) sleep—when most vivid dreams occur—as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh,此处的as的含义是什么呢？是副词吗？

问题 比较级的构词

...么不适用这个规则，这个规则只固定适用部分词吗？那样只能靠记吗？

问题 that从句是什么成分

...子是不是强调句，强调的部分是时间状语吗？第一个that从句是什么成分？第二个that从句是ordinary discourse的同位语从句吗？请翻译一下句子意思。It was about the beginning of November, 1880, that I, among the rest of my neighbours, heard in ordinary disc...

问题 an official at the Ministry of Defence中的介词可以用from吗

This was later confirmed by a naval official at the Ministry of Defence after the Elkor had returned home.我在陈述这句的时候将 at 说成了 from，请问此处能将 at 换成 from 吗，如果能，有什么区别？

问题 which的先行词，以及插入语中的but

This idea is not difficult to grasp when we think about the gaze of ourselves in the mirror or the gaze of other people, but it can be applied to objects, which might also be said to 'send back our sight'.当我们思考镜子里自己的凝视或其他人的凝视时，这个想法就不难...

问题 不定式的功能和冠词有关吗

...，则 to see and hear more about this procedure就是opportunity 的后置定语。那现在是the，则不定式是作定语还是目的状语？谢谢老师。

问题 关于I gave the girls each a toy that she likes best.

...提到了They each had their own problem.这里不能是"his"而只能是"their"，理由是“由于代词照应的主语，所以应该用复数代词their”。我想问一下这里代词照应只是因为主语为They才强制转换的吗？为什么在the girls each那里我...

问题 if not与unless可以替换与不可替换的用法

看书上说：当从句引出情况为主句情况的一种例外时 unless 和 if not 可以互换。当 if 从句所引导的情况不是表示主句情况发生的一种例外，而只是一种可能，并且这种可能正是导致主句情况发生的主要原因，此时 if not 不能被 unle...

问题 could have done 虚拟语气使用困惑？

"It's time you were making good, sonny," he went on, with an ugly look on his reddened face. "You're not playing up to me square. You've been the prodigal son for four weeks now, and you could have had veal for every meal on a gold dish if you'd wanted it. Now, Mr. Kid...

问题 when doing结构的逻辑主语问题

When you say “thank you”, Americans can say “sure” for their answer.(合为一句)When saying “thank you”, people in American can say “sure” for their answer.这是标准答案给的，我起初认为 saying 是分词做状语，为了凸显是时间状语而保留了when，但是我...

问题 cause可以用双宾语结构吗

The earthquake caused great damage to his property.请问上面这样的例句,它是双宾语结构吗?是不是也可以调换成下面这样?The earthquake caused his property great damage.

问题 of that 怎么用

You can see evidence of that in the way it's structured怎么理解of是前面的还是和后面that用，of that 一般怎么用?You can see evidence of that in the way it's structured.evidence of那后面就是从句，that我感觉不加也可以。

问题 宾补和定语和直接宾语到底怎么区分

...这句话中flying 还有reading 到底是做 cousin 和him 的宾补还是定语啊？当宾语是名词的时候，宾补和定语有什么区别？