问题 one of small account中的small account为什么可以是单数？

... famed citation index, that is to say the number of times a paper has been quoted elsewhere in the scientific literayure, the assumption being that an important paper will be cited more often than one of small account. one of后不是应该接名词复数吗？而且account是可数...

问题 分词用法疑问（, and running...）

He said Google has made improvements since then and was confident it could deliver games in the largest high definition standard, 4K, and running at 60 frames a second.最后and running让人摸不到头脑，running我觉得是deliver的伴随状语，可是为什么要用and连接？难道这是...

问题 曹老师解答的《过去分词done与现在分词的被动完成式having been done有何区别》自己的两个疑问

网址：过去分词done与现在分词的被动完成式having been done有何区别 - 柯帕斯英语网 (cpsenglish.com)我的疑问1：Built on the mountain top, the house looks like a palace.为什么本句就不能用having been built？用having been built可以强调被动动作built本身...

问题 其中if从句中最后一部分“shall have been learned”是什么成分？

...learned in regard to the structure and development of the earth shall have been learned, the occupation of the geologist would be gone.该句选自于里拉·雷姆森写的《WHAT IS SCIENCE？》其中if从句中最后一部分“shall have been learned”是什么成分？in regard to后面不是...

问题 one or two...作主语时的主谓一致问题

问题 Ungainly shapes or abrupt transitions were frowned

问题 人称代词作表语主格or宾格？

Who is knocking at the door? It's I/me.If I were she/her, I would take the advice.请问刘老师，这两个句子都对吗？人称代词作表语，正式情况多用主格，口语多用宾格？

问题 如何理解He has got some money left的结构

是否等于He has some money left？这里的left是过去分词还是形容词？能否说He has left some money?(如果能说的话，是否等于He has some money left）

问题 both and, neither nor, either or 存疑

I'm going to vist______New York______Los Angeles this summer holiday.请问老师这句话除了either or之外是否也能用both and 和 neither nor?今年暑假我要不去纽约要不去洛杉矶。今年暑假我纽约，洛杉矶都去。今年暑假我既不去纽约也不去洛杉矶。

问题 怎么辨别什么时候用过去完成式

... the surface proved to be of great interest.这里为什么不是which had been brought to the surface，如果不能，怎么辨别什么时候用过去完成式还是用过去式？  

问题 He hasn't been dead for 2 years.如何正确理解？

He hasn't been dead for 2 years.这句话理解有歧义吗？我的理解如下：他已经死了，但是死了后到现在还没有满2年。如何正确理解？（本来医生断言活不过3个月，但是）他到现在一直没有死，又活过来了2年。老师，这怎么理解呢？

问题 第二个that前but可以省略吗

She didn’t tell them that she was afraid she might die, that she worried nobody would hug her or give her a proper goodbye. 我觉得是not that...but that...结构，但第二个that前为什么省略but呢？还是我的理解有误？先谢谢各位大咖专家老师！！！

问题 has和is的疑惑

老师，我在 VOA Special English看到这么一句话：【Vietnam has one of the worst records on media freedom. Reporters Without Borders says it is the fifth least free country out of the group's list of 180 nations.】【越南是媒体自由记录最差的国家之一。无国界记者组织...

问题 work 的时态及用法

...he ____ as a teacher for five years.A. worked  B. has worked  C. was working  D. had worked答案为A. 请问为什么不选 B。work 应该是及物动词而且是延续动词吧吧？他的后边不跟表示一段时间的状语连用么？谢谢

问题 By the moment的相关问题

________ a man realizes that his father was right, he usually has a son who thinks he is wrong. A. After​ B. Until​ C. The moment​ D. By the time 老师，这道题目ABC是如何排除的？