话题 have sports

话题 have promised

话题 have got

话题 have lost

话题 might have

话题 having not

话题 have class

话题 have classes

话题 having finished

话题 have not

问题 energy constraints怎么理解

...e economy, such as an inadequate transport network and energy constraints, have been tackled. 参考译文把它energy constraints翻译成“能源缺乏”，感觉这个翻译不正确。请问energy constraints在文中怎么理解？

问题 句子没有找到主语(长难句分析)

Only if we discuss the consequences of our biophysical limits, the December warning letter says, can we have the hope to reduce their “speed, severity and harm”.这是2021年高考英语北京卷阅读C中的一个句子，请问情态动词 can 前面的主语是哪个？

问题 短语应用和逗号问题

Study after study has shown that even in highly specialized fields , employers consistently rank the ability to communicate at or near the top of the skills they look for when deciding whom to hire and whom to promote.问题1: 请问该句子在逗号两边有两个动词 has shown 和 rank,为什...

问题 suspecting与suspicious的选择

.../suspicious of modern technology and not even willing to use a smartphone. That puts him in various dangerous situations.这里的话，用 suspecting 表伴随或者用 suspicious 作形容词修饰 Johnny English 是不是都可以。还是只能选择其中一个。请老师解答一下。

问题 反射不定式有关问题

1.the work is easy to do.这个句子中，to do 可否改为to be done?2.The money wasn't yours to spend.这句话是什么意思，能否分析一下结构？3.剑桥英语语法提到，句子谓语含be时，有时可采用反射不定式结构，并提供了一个例句。能否就这一点...