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问题 five hours' drive,five-hours drive等辨析

After_____ drive,they reached what they thought was the place they'd been dreaming of.A. five hour B. five hour'sC. five-hours D. five hours'答案为 D。为什么？什么意思。谢谢！

问题 先行词为集合名词（如family）时定语从句用什么来引导

当先行词为 family 时，后面用什么引导定语从句？Do you know the family _____ lives next door?A. who    B. whom   C. that   D. which推广一下：当集合名词用作先行词时，定语从句用什么来引导？谢谢！

问题 a X of a Y如X一样的Y

a（或the）（或this）（或an） X of a Y   ： 如X一样的Y请问老师如果这个X是不可数名词，这种比喻还可行吗？比如面无表情（表情像块儿铁）This steel of a look 

问题 类似what remains of confidence in markets的表达形式

If the financial system has failed, what remains of confidence in markets? 这个句子中，what remains of confidence in markets这种结构形式比较特别。有类似结构(what +v+介词短语，其中介词短语为what的定语）的动词除了remain,还有哪些？能否提供一两...

问题 a cornerstone of today是不是少个词

...National Geographic 网站文章时，看到这样一句：His creation of the state-run secondary schools remains a cornerstone of today. 我感觉 a cornerstone of today 的用法不太规范，从逻辑上考虑应该说a cornerstone of education today 或 ...of today's education system. 等类...

问题 no more...than...语法上怎么理解用法含义

...都否定吗？This machine will entail no more operational cost on us in the long run.这里的no more...than...more是限定词，应该理解成only as many as...吧？还有没看懂on us - on是什么意思？

问题 as occurs on highways 这句话的主语是不是省略了

This thesis is concerned with a particular case of the above problem in which all toll arcs are connected and constitute a path, as occurs on highways.

问题 what引导的从句可以作what的同位语从句吗

Last, good performance is not defined by employees’ locations at specific times of the day but by what they achieve—what Mr Bloom calls “managing outputs, not inputs”.破折号后是对前面的补充说明，那么能不能说what引导的是同位语从句？谢谢各位老师。

问题 并列名词的开头分别为元音与辅音时如何选用不定冠词a/an

He gave the boy a pear, peach and apple.请问这句的冠词用得对吗？我是说前面的 a 与后面的 apple 有冲突吗？

问题 work hard at和on的区别

Our Great Larry Kudlow, who has been working so hard on trade and the economy, has just suffered a heart attack. He is now in Walter Reed Medical  Center.这是特朗普最新的推特，译文是：我们伟大的拉里·库德洛，一直在贸易和经济方面工作努力工作，他刚刚...

问题 请问这里为什么不用ing

If the sun comes out take off a layer or two and when you climb in altitude or a cold wind comes up put them on again with a rain coat as we...

问题 so do sb, so do sth的相关用法

...，因为在讲解单词的时候想说剩下的单词也这样做，so do the rest可以这样说吗，或者是so do animals，有这种说法吗，如果不是人sb是物sth的时候有没有类似简便的说法呢？

问题 both with sth 的 both 该如何理解

...句：Dudley and Uncle Vernon came in, both with wrinkled noses because of the smell from Harry's new uniform.我的问题是，在上面这个句子中，1. both 是否为代词，作伴随状语 with wrinkled noses 的逻辑主语？2. 这种“both + with sth”的结构是否可以推广到“...

问题 名词＋v.ing 带连字符的和不带连字符的区别

请问一下亲爱的老师， productivity-improving technology 和 The technology is productivity improving.   名词＋v.ing 带连字符的和不带连字符有什么区别呢？

问题 nine gold and nine silver medal中的medal用单数吗

Great Britain gave the most performance in this group, winning only nine gold and nine silver medal. 句中“medal” 应加s 表复数吗？ 另外，居中 winning 为何要用动名词形态呢？