问题 我没有朋友(friend应该用单数还是复数)

我没有朋友。是I have no friends.还是I have no friend?

问题 如何理解一个that所引导的从句(以及从句的主谓宾)

The change met the technical requirements of the new age by engaging a large profess signal element and prevented the decline in efficiency that so commonly spoiled the fortunes of family firms in the second and third generation after the energetic founders.请问：如何理解句中的 that？它...

问题 为什么使用on the road，而不是on roads呢？

A number of cars are already on the road powered by gas turbines.一些以燃气轮机作动力的汽车已经出现在路上。显然，“在路上”是泛指，不是特指某一条路。因此如何理解解释句中on the road？ 为什么不用on roads呢？

问题 in face of还是in the face of

老师说 in face of 与 in the face of 同义，也就是说用不用定冠词都可以，但我查了朗文词典、津词典、剑桥词典等（电子词典），都只查到了 in the face of，没有查到 in face of，这到底是怎么回事？如果真的可以说 in face of，请问...

问题 in March of last year还是in 

...“去年三月”，英语是用 in March of last year 还是 in the March of last year？ 当然类似的用法还有： “去年一月”是 in January of last year 还是 in the January of last year？ “去年二月”是 in February of last year 还是 in the Fe...

问题 first one与the first one的用法区别

first one 与 the first one 均表示“第一个”，它们有哪些方面的区别？送鲜花5朵，感谢老师！

问题 英语平行结构的使用实例（正误分析）

...，提到“要注意句子结构的同一性”，然后说：不能说：The surgeon examined the patient quickly and the operation was begun.要改成：The surgeon examined the patient quickly and began the operation.我想请教一下各位老师，为什么一定要改成同一个主语，两...

问题 aboard ship与aboard the ship的区别

We are all aboard ship this month.We are all aboard the ship this month.它们都对吗？有区别吗？

问题 同位语用法（请教曹老师）

[There are two activities in this class, climbing trees and crossing the river.][There are two phrases in the book, "move forward" and "go ahead".]请问同位语可以像上面这两个句子这样用吗?是不是必须写成[There are two activities, climbing trees and crossing the river, in the c...

问题 the most修饰形容词一定是构成最高级

请问专家：the most修饰形容词一定是构成最高级吗？有没有不构成最高级的其他用法？

话题 this is the first time

话题 代词that 和 the one 的区别

话题 It is the things that

话题 an expert of the team

话题 代词another和the other用法区分