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？
A new laptop costs about _____ of a second-hand one. A three times the price B three times more than the price C three times as much as the price老师好！这里的A是对的，B为什么不对？C是我自己写的，对吗？
...高中教科书里的一句话：A shocked Winton watched as the majority of people rose to their feet.我在国外一个网站看到这样一段话，也是watch as(如下图所示)，请问这里面的watch是什么意思，as从句又起什么作用？我感觉时间、方式和原因什么的都...
from 是介词，他后面可以加 where么？where 应该是副词，介词后怎么能加副词呢？
比如以下例句中的 from where：
We went up to the roof, from where we had a good view of the procession. 我们爬上屋顶，从那儿可以很好地观看游行。
...面是对应的翻译：Unemployment in January jumped to a 16-year high of 7.6 percent ,as 598,000jobs were slashed from US payrolls in the worst single-month decline since December,1.翻译：一月份失业率达到了16年来的最高水平7.6%，有59.8万个就业机会被大幅削减，这是...
We（alibaba） adopt the technologies of " location based service" to help build particular intimate relationship instantly between offline stores and consumers.前后文大意是阿里巴巴在双十一狂欢期间 采取了LBS位置导向服务这个新技术。
Two studies showed just walking for three hours per week for only three months caused so many neurons to grow that it actually increased the size of people’s brains!这里的to grow是否可以替换成growing ？ 表达上会有什么不同吗？
...een working with this company for five years, and I have accumulated a lot of experience in this field. I think my biggest achievement with this job is that I successfully carried out several projects with my team members.如果介词with这里表示是“关于”的意思，那么与in，at，on...
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.
The report shows that, the
idea of the ambitious goal—and what it takes to achieve it—it seems different.1. 请问老师，破折号中间的部分是插入语，需要省略吗？插入语和插入成分，这两个概念的说法哪个对呢？2. 还是说这部分and what it takes
to achiev...
It will take ______ to finish the project.A. one and a half year’s timeB. a year and a half’s timeC. a year and a half of timeD. a year and a half time曹老师，这道题该怎么选？如何把错误选项改成正确？
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！