请教老师们，When most of us get a text message on our cell phone
from an unknown person, we usually say＂sorry, wrong number!＂and move on. 此句中的直接引语前需要加逗号吗？若不需要，为什么？和平时一般的直接引语有什么区别？
原句：There will be more than three hundred scientists attending the meeting...原句是还未发生的事情，为什么定语用attending，而不是to attend？ 分词做定语相较不定式做定语区别是什么？如果用不定式，to attend 和to be attending 区别是什么？...
...却偏要用进行体呢？比如：—— I heard that Bob was fired by the company. —— Yes. But don’t mention this when you are talking to him. 很显然这个从句是想用现在进行时代替将来进行时，我纠结的是为什么是进行体而不是一般体。毕竟从句中找...
If I am wrong, we will have done no harm to look at theissue
skeptically and critically, to consider how we should be resisting it.
请问在这里，should be doing是不是和will be doing相同，都是对未来的单纯预测，只不过使用should和will稍微有差别。
如果不是的话...
Red tourism is going global as more and more Chinese tourists are drawn to visiting revolutionary attractions in countries like Russia, which share a communist past with China, or countries where famous revolutionaries have lived.请问：(1) as 是表原因吗？(2) share a communist past...
...由此产生了一个问题特来请教！1. I have a car as big as yours (is)管控项as +big为比较项，其对应项在分句中作表语必须省略。2. I have as big a car as you (do)主句的比较项为as big a car,是一个名词性结构；同样，分句中的比较对应项也是一个...
Tell them your thoughts. In this way, you ____have a better understanding of each other.A can B should C must D would专家老师，该题提供的参考答案是would. 和虚拟语气有关吗？另外，为什么就不能选择其他三个选项呢？分别是“能够，可...
With growing popularity has come growing scrutiny, as Sino-American tensions spread from trade to tech, and a barrage of invective from President Donald Trump.
老师们，好!when reports came into London Zoo that a wild puma had been spotted forty-five miles south of London .这个句子中forty-five miles做状语前面为什么没介词呢？比如at forty-five miles south……望解惑，谢谢啦！
题目讨论:_____ (interest) in nitroglycerine, over the years, Alfred himself
performed so many experiments to make sure it could be put into practical use
in construction work.A. Being interested B. Having been interestedC. Interested答案给的C，请问A,B可以接受吗？如果可以，这...