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问题 before 连接的句子主句何时用过去完成时新概念三第6课习题

He_______the display for several minutes before re-entering his shop.A. was gazing at   B.gazed at C.had gazed at   D. had been gazing at这个题目答案是B，想知道为什么不能用过去完成时或者过去完成进行时

问题 It's + adj/n + doing 或 to do 的逻辑原理？

...只能doing, 而某些形容词或名词之后，又只能to do, 而少量的某些形容词或名词之后（例如fun, use），二者均可？这背后是否有某种逻辑规律？  还是作为学生，只能死记硬背？ 或是可以找到逻辑原理，理解它？麻烦专家老...

问题 如何地道地用英语表示“学生会”

对于“学生会”的英语翻译，我在不同的地方，见过不同的表达：Student UnionStudent’s UnionStudents’ Union请问那个表达才是最地道的？

问题 形容词最高级作主语和宾语

下面的句子是不是属于形容词的最高级作主语和作宾语？语法书上好像没有这样的用法啊！Biggest doesn’t necessarily mean best. 最大的不一定是最好的。

问题 lesson one, book one可以小写吗

lesson one, book one 这些表示第几……的用法，可以小写吗？我看到的多数是大写的，但有时也看到小写的。这有什么规定吗？

问题 被动语态用主动语态表示

麦迪逊许多咖啡馆和商店的窗户上都挂着手写的“招聘启事”。译文：Handwritten "help wanted " signs adorn windows of many cafe and shops in Madison.问：此句中主语为“手写的“招聘启事”标牌  和谓语“挂着”之间明明被动关系，为什么用了...

问题 “南北走向”如何翻译（同时还涉及句子改写）

主屋在南北走向的轴线上，两个厢房则位于四合院的两侧。家庭中的长者住在主屋中，在两翼则是年轻一代的屋室。The principal room is built on the south-north axis, and two wing rooms are located on both sides of it. The family elders live in the principal ro...

问题 a great many与a great many of的用法问题

________ farmer s were pleased with the good havest of this year.A. A great many B. A great many of 答案为 A。为什么 a great many 后面加上 of 之后就不能用了呢？谢谢！

问题 the same...as 与 the same...that 的用法区别

She’ll be on the same train _____ I am on today. A.as       B.like       C.with       D.that请问这道题为什么不能选择D选项that？

问题 关于 be off on one's travels 的用法

He told me that his wife had been off _______ her travels.A. on        B. at         C. in          D. for答案是 A。为什么不可以用其他三个呢？尤其是 for 为什么不行啊？老师能用语料库搜一下吗？...

问题 be going to与be going to be的区别

He says he's going________ a computer programmer in the future.a.to do b.become c.be  d.to be这个答案选择d，老师我想问下：to后面为什么还要加一个be动词。谢谢！这个be 动词在什么情况下要加！

问题 on whatever grounds this recognition is based的结构

Related to this is the sense each friend gives the other of being a special individual, on whatever grounds this recognition is based.on whatever grounds this recognition is based这句可以这么理解吗，on whatever grounds this recognition is based on whatever grounds是不是类似于倒...

问题 at the same time的用法

Taking a walk, visiting the gym, and other forms of exercise.Meetings with business associates don’t have to take place in the office or a restaurant. Invite someone to join you for a walk in the park, run around the track, or a game of tennis. You don’t have to learn to play golf in order to ge...

问题 这几个句子中个别词的位置不平常，谁能解释一下？

It has made possible a situation in which customers can tell advertisers what they think, and the advertisers can supply information.（possible）Shopping environments will themselves become a part of the advertising process. （themselves）They are not necessarily the bland documents some bosses ...

问题 notice sb do sth 与 notice sb doing sth 的区别与比较

您好，请教一道题。 Did you notice volunteers _______(help) a man cross the street ? 答案给的是help，为什么不是helping呢？[抱拳][汗]