...间或过去时间。(should+do=现在或过去时间)It's lucky that the weather should be (=is/was) so fine.参考:https://www.cpsenglish.com/question/24188Donna 老师说:“...in case从句中...,事实上,should / might+动词原形这样的虚拟语气不仅可用来表示将来意...
Typically, countries connect citizens with vast grid-extension programmes. Big grids make perfect sense for populous places. They can cheaply supply power generated far away to millions and, as they incorporate more wind and solar energy, they are becoming greener.老师您好,请问此处的...
...终止性动词连用,不能与持续性动词连用。如:By midday the rain had stopped. 中午时分,雨停了。You must check out ofthe hotel by 10 a.m. 你必须在上午十点以前退房。而下面句子中的介词不能用 by,因为它们的谓语动词是持续性动词:The li...
An even better case can be made for splitting the conjunction class into subordinators, which link a subordinate clause to a superordinate clause, and coordinators, which link coordinate constructions.请问这个句子的大意是什么?其中的conjunction class 和superordinate clause 是什么...
有这样一个句子:it is very kind of you to have given us so much money.我知道这个 it 是形式主语,但它是指代什么呢?是指代 to have given us so much money 还是 of you to have given us so much money?谢谢!
compose和comprise的区别。如题为什么选的是comprise而非compose, The communication relation is defined as the channels through which messages are transmitted by people who ____ a social system.
问两个简单的问题:1. Both books cost me twenty dollars. 是指买两本书一共花费了20元,还是两本书各花了20元?2. The Yangtze River is China's longest river. 也可以说The Yangtze River is the longest river of China吗?