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问题 need 还是 must？

...一道题： —May I go out. Dad？ —No, you ________ let your mother know first. A. can  B. may  C. need  D. must 老师说答案为D, 理由是先要征求妈妈的意见，然后才能出去，我质疑说，即使先告诉妈妈也不一定允许他出去。我...

问题 关于连词的疑惑：两个句子之间不是必须要求一个连词吗

Your life does not get better by chance, it gets better by change. 你想要更好的生活，不是靠运气就可以，而是需要自己去改变。 这是网上一个流传甚广的励志名言，我也是偶然看见，觉得...

问题 用过去时还是过去完成时的疑问

 We ___67___ (concern) that few people would speak English, even in Beijing. But we found it common for Chinese people to know a few words of English这个句子是用过去时合适还是过去完成时合适，还是两个都可以呢？

问题 at least位于句首需要倒装吗

To my understanding, at least two reasons can account for this phenomenon.这个句子这么写有错误吗？如果正确，那么at least在句首后面为什么不倒装，看到语法上写的是形容词、副词、介词短语位于句首时，句子可以全部倒装。这个意思是倒装...

问题 when为什么要用逗号隔开

...ure of fishing alone when, facing a pond of clear water, you put aside all your vexations andannoyances and enjoy the complete mental and physical relaxation." 1.第三个小分句里面加粗的when为什么要用逗号隔开? 2.第三个小分句的句子成分怎么划分?

问题 现在完成时/现在完成进行时 用法存疑

...e always been thinking呢？类似I've been thinking about the problem for ages.同样还有一句：2. She ________(study) for her exams for the past three months.正确答案是has been studying为什么不能用has studied? 

问题 of what...和 of how...是什么结构

请问老师：For a moment Harry imagined coming here with Dumbledore, of what a bond that would have been, of how much it would have meant to him.这句话中黑体部分的of what和of how是什么结构？

问题 现在完成时态VS一般现在时态

Today, the rapid advancement of information technology represented by the Internet has brought about new ways of social production, created new space for people's life, opened new horizons of state governance and enhanced people's ability to understand and shape the world.句中的时间...

问题 这里a range是省略的用法还是具有指代性质（前指）的集合名词

...ten increases the number of individuals collected and attract species that are otherwise elusive. Sugars and meats or oils will attract different species and a range should be utilized.问题：在这里 range，我觉得是表示一系列诱饵 a range (of baits)。但是又单独出现在文章里...

问题 in terms of表示“在...方面”与介词in有什么区别

.....方面”与介词in有什么区别？While planning the organization of your items, remember that clutter distracts the customer and actually displays less in terms of visible items than a neat and well organized display area does, even if the neat display contains less items.

问题 As引导的时间状语从句为什么这里使用了一般现在时？

...么As引导的时间状语从句用了一般现在时burn? 为什么不用are burning呢？2）如果换成when或while引导可以吗？用when或while是用burn还是are burning呢？

问题 什么时候用the什么时候用a

Recently I sent a postcard to my sister who was living in another town.My sister did not receive it and I was wondering  why.Then one morning the postman brought a letter for me.,想问一下，为什么postman前用the不用a，前文他没出来啊。谢谢帮忙！

问题 worn thin 的相关问题

---What can I do for you?---Our old sheets ________, we want to buy new ones.A. worn thin                       B.wearing thin       C.have been worn thin       D.having worn thin老师，这里是独立...

问题 传统节日前是否加定冠词the

It's ______ tradition for the Chinese to honor the dead through _______ way of celebrating ______ Tomb-sweep DayA. a;the;the B the;a;the  C the;a;/  D a;the;/答案给的是D  传统节日前不是要加the嘛？

问题 句中whom为什么换成who

Of all we men whom I think should be available for office, Thompson is the first who comes to mind.这里的whom为什么换成who，我的理解是of all we wen 是状语，i think是whom的定语should be available是系表语，但是主语应该用主格who，应该是i think  whom为什么是...